羽狀針腳英文怎麼說

羽狀針腳 的英文翻譯

羽狀針腳 例句

1. Leaves tufted ; stipes 15 - 30 cm long, densely scaly at base, glabrous above ; sterile lamina about 60 cm long and 20 cm wide, simply pinnate ; pinnae numerous, alternate or subopposite, linear - lanceolate, the largest about 12 cm long and 1 cm wide, base cordate, apex acuminate, margin finely toothed ; veins close, forking once or twice and forming areoles near the midrib ; fertile lamina similar to sterile ones, but somewhat reduced, about 8 cm long and 0. 4 cm wide, lower surface almost entirely covered with sporangia
   葉簇生；葉柄長15 - 30厘米，基部密被鱗片，向上近光滑；不育葉片長約60厘米，寬20厘米，一回 羽 狀 ； 羽 片多數，互生或近對生，線 狀 披 針 形，最長者長達12厘米，寬約1厘米，頂端長漸尖，基部心形，邊緣有細密鋸齒；葉脈1 - 2次分叉，近中脈形成網眼；能育葉與不育葉相似，但較小，長約8厘米，寬約0 . 4厘米，下部滿布孢子囊。
2. Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally
   本文分析了國內外水電站自動控制裝置的研究和發展 狀 況，尤其是國內小型水電站的自動化現 狀 ， 針 對現有電力部門的需求，設計並實現了一種單元式的微機自動監控裝置，該裝置不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能，還對水輪發電機組進行了調控，通過與上位機處理程序的配合，可以實現水電站的自動發電控制、機組順序啟停；在測量發電機組機端電壓和電流參數的時候，採用32點離散傅立葉演算法（ dft ） ，增加了測量的準確性和可靠性；通過通訊可以實現裝置的聯網運行，做到「分散控制、集中管理」 。
3. West indian locust tree having pinnate leaves and panicles of large white or purplish flowers ; yields very hard tough wood
   西印度群島的一種角豆樹，有 羽 狀 的葉片和開白色或紫色大花的圓錐花序， ；木材十分強韌。
4. Without no seams nor needlework
   （沒有接縫也找不到 針 腳 。 ）
5. It is determined by the characteristics of chinese coal seams that they are difficult to exploit ; this paper analyzes three main stimulation technologies : hydraulic fracturing, displacement of multi - gas and oriented pinnate horizontal well - drilling, which can provide technical guidance for developing coal - bed gas more efficiently and reasonably
   此外還分析了目前國內外煤層氣增產的3項主要技術：水力壓裂改造技術、煤中多元氣體驅替技術和定向 羽 狀 水平鉆井技術。

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