double covering 中文意思是什麼
double covering
解釋
雙層蒙皮-
As we know, inverse techniques make blade ' s profile well compatible with its surface velocity distribution, however, they give designers big challenges that the ideal velocity distribution is hard to obtained and sometimes the non - physical solution, such as double covering of flow field or unclosed profiles, would come out. the proposed design procedure in the paper has avoided the disadvantage mentioned above. in this paper, a quasi - irrotational equation is used to describe the flow in cascade instead of the generally used irrotational equation
眾所周知，一般的反問題和混合問題的最大特點，是在給定的壓力面和吸力面上的壓力分佈或速度分佈條件下，直接得到葉片的幾何形狀，它可以使葉型型面與表面氣流參數有機結起來；其不足之處在於，對設計者而言，很難給定理想的葉片表面壓力分佈或速度分佈，並且有時會得到一個非物理解，如：得出的初始葉型可能會出現前緣、尾緣不封閉的現象。 -
By analyzing the rainfall use efficiency, the soil moisture variation during the whole growth period, the economic characters and the output of dry land corn under different film mulch modes, it has been proved that the mode of whole covering on double ridges and planting in catchment furrows is an effective way to store and utilize fully the natural rainfall, to improve soil moisture conservation, to raise rainfall use efficiency, to advance maturity time, and to increase yield and economic benefits of dry - land corn remarkably
摘要通過對旱作玉米幾種不同覆膜栽培模式降水利用率、玉米整個生育期的土壤水分監測、生育時期觀測、經濟性狀及產量分析證明，旱作玉米雙壟面全膜覆蓋集雨溝播技術是一項充分接納和利用天然降水、最大限度保蓄土壤水分、顯著提高降水利用率、提早成熟、增產效果明顯、經濟效益顯著的旱作玉米栽培模式。 -
Double - cotton covering machine
雙紗包機 -
Double reticulated domes are typical space structures with many advantages such as aesthetics, convenient installation, definitely transferring forces, covering large space, favorable unitary rigidity and so on, so this kind of space structure has wide development foregrounds
雙層扁球狀網殼是一種優良的空間結構形式，她具有造型美觀、安裝方便、受力合理、經濟效益好、整體剛度強等諸多優點，具有廣闊的發展前景。 -
The proprietary electronic industrial park covering 50000 m2 located within huizhou digital industry park houses production capability of pcb of double - sided to 10 - layer of annual 600 thousand m2, the auxiliary capability of the smt, card processing, testing and oem operation, and was put into operation in august 2007
位於惠州市數碼工業園區佔地5萬平米的電子工業園，擁有pcb年產60萬平米雙面至10層多層線路板加工能力，以及延伸的smt貼片、插件加工、測試和oem配套加工能力， 2007年8月投產。 -
Gaotang double dragon equipment co. was established in 1996, now with registered capital of $ 3, 350, 000. the company is located in luxi science and technology park, covering 45, 000 square meters
高唐縣雙龍養殖設備公司成立於1996年，注冊資本3 ， 350 ， 000美元，公司位於魯西科技工業園內，佔地面積45 ， 000平方米。 -
Double - silk covering machine
雙絲包機 -
B. the double - entry bookkeeping creates conditions for the advent of accounting information disclosure. the accounting information provided in terms of double - entry bookkeeping, on one hand, owns such attributes as being true and covering a wide range, and on the other hand, is just what the property owners need
復式簿記為會計信息披露的產生創造了條件：一方面，按復式簿記提供的會計信息具有全面性和真實性；另一方面，按復式簿記提供出來的會計信息是企業財產所有者迫切需要掌握和了解的。
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