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celled adj.含有(某種或若干)細胞[小單位、小室等]的〔一般...

cellist

Key technologies are first introduced here such as the phased array antenna theory , dbf ( digital beam forming ) theory and the configuration of transmit and receive ( t / r ) modules . then part of analog circuitry is optimized with the digital technology . cell circular microstrip disk antenna successfully developed based on the theory of microstrip antenna , the four - celled circular microstrip disk antenna arrays are designed , simulated and analyzed with eda tools - hfss , opt1metrics 本文以相控陣雷達組成為主軸,逐一對相控陣雷達關鍵技術中的天線陣原理、數字波束形成( dbf )技術和收發( t r )組件組成進行詳細的分析,利用數字技術對傳統相控陣雷達設計方案中的模擬電路部分進行改進;在理論設計單元圓形微帶貼片天線單元的基礎上,利用微波仿真軟件hfss和optimetrics對四單元的圓形微帶貼片天線陣進行設計與仿真;對相控陣雷達的幅相監測技術進行理論分析和討論,選擇最佳的幅相監測方案。

The method to control chaos by using uniform phase space compression is applied to economic systems in this paper , and a new stabilization method celled threshold stabilization method that suppresses chaos by adding upper hound or and lower bound to state variable is developed according to the characteristic of economic systems 摘要把利用相空間壓縮來控制混沌應用于經濟系統, ?針對經濟系統的特點引申出閾值控制法,即通過限制變量取值的上限或(和)下限來達到控制混沌的目的。

As we presented in the paper , with the evolution procedure accomplished of neurons from the single - celled organisms and multicellular animals that lack nervous system , the evolution course of nervous system could be summarized briefly as : chaos phase , equally nerve net , centrilized network phase and bilateral symmetry , hierarchical organization and cephalization phase 研究表明,從原始的單細胞有機體類似神經動作電位的協調功能逐步進化成神經元開始,神經系統大致經歷了混沌階段、平權網絡階段、中心化網絡階段和雙側對稱的層次體系結構等進化階段。

Concentri fetlock needed in ttvgt structure , and is useful for ttvgt macwi and applitalon de the analsis of the tt - vgt structure , the drict eqwt for m position h are ehabiished , for on alh won methed , a wtc appidac for the inare ~ acemen analysis of 7 - celled meded tetiahedid vgtm is propoed 本課題以變幾何桁架宏-微機器人為主要研究對象,對機器人的位置分析、運動學、實現避開障礙物的軌跡規劃、智能控制及其系統設計開發等進行了較全面、深入的研究。

There was synthetic dna containing a coded text message ? “ i am the riddle of life ; know me and you will know yourself ” ? and an audio microscope he built from borrowed and salvaged parts so that visitors could eavesdrop on the lives of single - celled animals 例如在一段dna中編入這麼一條文字訊息:我是生命之謎;認識我,你就能認識自己;現場還有戴維斯以借來和撿來的零件做成的一個聲音顯微鏡,讓觀眾可以竊聽那些單細胞生物的生活。

3 . the development of the anther wall follows the basic type . cytokinesis in the microspore mother cell is of the successive type . the arrangement of microspore in tetrad is tetrahedral . mature pollen grain is of 2 - celled type . the anther has 4 four rooms , accidentally seen six or seven rooms 花藥壁的發育為基本型,小孢子減數分裂為連續型,小孢子四分體為四面體型,成熟花粉為二細胞型。花藥多為四室,偶見六室和七室。 4

A single - celled , fresh water alga , which has been estimated to be in existence for as long as two billion years , chlorella is roughly the size of a human blood corpuscle . a single cell is 6 1000 millimeters across 它是一種綠色單細胞球形藻類,直徑只有2 - 8 ,其大小與紅血球大致相同,肉眼看不出來,須以600倍顯微鏡才能看得見,是生長在淡水中的單細胞藻類。

Many , though not all , terrestrial prokaryotes ( simple one - celled organisms such as bacteria that lack a membrane - bound nucleus ) and eukaryotes ( organisms with well - defined nuclei ) could survive this temperature range 地球上許多原核生物(簡單的單細胞生物,沒有細胞核結構,如細菌)與真核生物(有清楚細胞核結構的生物)都能存活于前述的溫度?圍內。

In many lakes in summer that is a warm low - density layer ( epilimnion ) lying above a colder denser layer ( the hypolimnion ) , the zone of rapid temperature change between the two layers being celled the thermocline 夏季,多數湖中溫暖的低密度水層(湖面溫水層)在寒冷的較高密度水層(湖底凈水層)之上,中間夾有溫度改變較快的水層(變溫層) 。

Dunaliella , a single - celled green algae classified to chlorophyceae of chlorophyta , distributes throughout salt lakes and sea over the world . dunaliella inhabits itself in the environment rich in na + and cl - 杜氏藻( dunaliella )廣泛分布于世界各地的鹽湖和海水中,是一種單細胞綠藻,歸屬于綠藻綱( chlorophyceae ) 、綠藻門( chlorophyta ) 。

Dunaliella . salina , a single - celled eukaryotic organism , has a relatively simple mechanism of saturation regulation , therefore it is an ideal model organism to be used to study the mechanism of salt stress tolerance 鹽藻是真核生物,呈細胞結構,因此滲透調節機制相對簡單,對耐鹽機理研究可能是一種理想的材料。

Life ' s long journey from single - celled organisms to multicellular plants and animals may have depended upon the increasing presence of oxygen in the atmosphere , a new study suggests 一項新的研究表明,地球生物從單細胞的有機體一直發展到多細胞的植物和動物這樣一個漫長的旅途很有可能依賴于大氣中氧含量的增加。

The diverse phytoplankton species inhabiting the ocean ' s surface waters ? which mainly consist of single - celled cyanobacteria , diatoms and other kinds of algae ? form the base of the marine food web 這表層水域里住了各式各樣的浮游植物(以單細胞的藍綠藻、矽藻和其他藻類為主) ,形成了海洋食物網的基礎。

Industrial high performance foams , fine celled polyurethane foams , cellular silicone foams , liquid silicone rubber , high frequency circuit materials , flexible circuit materials 工業用高性能泡綿、微細孔聚氨脂泡沫材料、多孔硅泡沫材料、液體硅橡膠、高頻印刷線路板材料、柔性印刷線路板材料。

In short , all living things are developments from these one - celled organisms . they have developed step by step through change upon change from these first , simple , living things 簡而言之,所有的生物都是這些單細胞生物體的后代,它們是從這些最早的、簡單的生物體經過逐步演變進化而來的。

The single - celled protozoans survive for so long in the bloodstream by regularly acquiring new identities , thereby avoiding recognition and total elimination by the immune system 這種單細胞原生動物靠著定期取得新的身分,避開免疫系統的辨認及全面清除,才得以在血液中存活那麼久。

The anther possesses four microsparangia with its wall composed of four layers : epidermis , endothecium , middle layers and a 2 - nucleate celled tapetum . most of the antheral tapetum are in situ 單穗升麻的花藥具4個小孢子囊藥室,囊壁花藥壁由表皮藥室內壁中層和絨氈層組成。

The membrane surrounding a single - celled animal or plant or any individual cell in a multicellular organism is important in the respiratory and nutritionally processes of that cell 參考譯文:最初在1852年被采用,回旋議是由一個旋轉裝置,通常以輪子的形式,展現出強的角動量。

The immature fruit is green in colour , and gradually ripens from yellow - green to red - orange and brown . it has white flesh and a hard , two - celled stone 產于東北南部、黃河及長江流域各地,南至廣東,西南至貴州、云南;生于海拔1700米以下山區及平原。