opening n. 1. 開,開放;開始,著手;開端,開頭;開場,開幕。 2.口,孔,縫,洞;空隙;通路。 3.空地,空場;〔美國〕林間空地。 4.(職位的)空缺;好機會 (for)。 5.【象棋】開局,頭幾著。 6.【律】辯護人的申辦書。 7.【商業(yè)】開盤,交易開始時間。 adj. 開始的。 an opening address [speech] 開幕辭。 an opening ceremony 開會[開學(xué)、開幕、通車]典禮。 look out for an opening 謀事,找就業(yè)機會。
Study on the boundary shear stress in rectangular open channels 矩形明渠邊界平均剪切應(yīng)力變化規(guī)律研究
Asymptotic coupling algorithm for water depth and bed width of uniform flow in rectangular open channels 矩形明渠均勻流水深及底寬的漸近耦合算法
Operator - splitting method for calculating uniform flow depth s and bed widths of rectangular open channels 矩形明渠均勻流水深和底寬的算子分裂算法
Square files are used to enlarge square and rectangular openings , filings , slots , keyways and other similar purposes 主要是為了擴大方形和長方形、銼削、槽孔、鍵槽和其他相似的用途。
In this work we designed and produced an auto - scanning and data - acquisition apparatus of microwave imaging with rectangular open - aperture waveguide as the sensor 摘要采用矩形開口波導(dǎo)作為傳感器,建立對成像樣品板進行自動掃描控制和數(shù)據(jù)采集的微波成像裝置。
Through the flume experimental research , the velocity distribution formulas for rectangular open channel have been found , including parabola form of velocity distribution on the vertical and power form of mean velocity distribution on the transverse direction ; meanwhile , the means of ascertaining correlative coefficient have been given in this paper 摘要通過對明渠流速的水槽試驗研究,建立了矩形斷面明渠沿垂線流速的拋物線分布公式和橫向平均流速的乘冪函數(shù)分布公式,同時給出了相關(guān)系數(shù)的確定方法。