查询词典 rotation

During 3 years, six different multiple cropping rotation systems were studied at varying levels of water application in Hexi oasis irrigation area.

在不同供水条件下，对河西绿州灌区6种多熟轮作方式进行了3年3区节水轮作体系的研究。

Adopting the conformal mapping or rotation axis etc complex methods which areoften used to treat with the hole or cavity problem,a two-dimensional cavity ofeither simply or multiply connected region is projected into the interior of acircle or an annulus.As well as the global coordinate system is turned into thelocal coordinate system.

采用处理孔口问题最常用的映射函数和移轴等复变函数方法，把复杂的单连通区域和某些复连通区域型二维孔洞转化为简单的单位圆内区域或圆环区域，把整体坐标转为局域曲线坐标，而，最终把问题简化归结为一组无穷代数方程组的求解问题。

However, for multistory and multibay frames in which there are a large number of members and joints, and which will, in general, involve translation as well as rotation of these joints, the effort required to solve the correspondingly large number of simultaneous equations is prohibitive.

然而，对于多层和框架的MultiBay，其中有一个成员和大量关节，并会在一般情况下，涉及翻译，以及这些关节旋转，这种努力要解决相应的方程组的大量过高。

METHODS Combined HPLC/MS/MS with specific rotation to inspect the mutarotation of N-Acetylglucosamine in water.

通过液质联用及比旋度分析，监测N-乙酰氨基葡萄糖水溶液的变旋情况。

Study on mutarotation of N-acetylglucosamine in water by HPLC/MS/MS and specific rotation;2. Determination concentration of clopidogrel in human plasma by HPLC/MS/MS

目的 建立测定人血浆中佐米曲普坦血药浓度的液质联用方法，研究佐米曲普坦在中国健康志愿者体内药代动力学。

Plantarflexion, inversion, adduction and shortening deformities were corrected by the adjustment of the distance between each part of the external bone fixing set through extension, compression, and rotation, etc., and navicular and cuboid osteotomy.

通过对骨外固定装置各部件间距进行延长、压缩和旋转等调节，以及舟、骰骨的截骨延长，从而矫正畸形足的跖屈、内翻、内收及短足畸形。

The high drag of the ramjets meant the blade angle had to be set to a very negative angle when power was cut, and this led to the Hornet plummeting at 15mps during auto rotation.

作者：高拖意味着冲压发动机叶片的角度，就必须建立一个非常消极的角度来看，在电源被切断，这导致了大黄蜂在自动旋转15mps在直线下降。

During the work process of electrical screw press, motors loaded with large inertia must alternate between positive and negative rotation frequently, and it is necessary to realize a quick and steady torque output and to avoid an abnormally high temperature rising.

电动螺旋压力机要求电动机在大惯量负载条件下、频繁起动时能够快速实现恒定的转矩输出，同时避免过高的起动电流，这取决于先进的交流调速方法的运用。

Desige Parameter and test date of the remoulded cylineer shaped screw impeller used by inducer was introduced, which fully reached positive and negative rotation performance and accorded with conversion law.

介绍了用诱导轮改造后的圆柱形螺旋叶轮的设计参数和试验数据，改造后的叶轮不仅能达到正、反转性能要求，而且基本符合相似换算定律。

On the base of roundly analyzing and studying phase relation of stator magnetometive force and rotor one of brushless DC motor,the main purpose of this paper is to analyze thoroughly positive and negative rotation logic layout of sensorless BLDCM,and explains the differences between BLDCM and sensorless BLDCM.

依据无刷直流电动机定转子磁势的相位关系，深入分析无位置传感器无刷直流电动机正反转控制的逻辑编排，并分析了无位置传感器和有位置传感器正、反转控制的不同。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。