波动

Based on the analysis of calculation theories on magnetic field and torque of permanent magnetic gears, the characteristic curve of torque-angle are calculated with the use of Ansoft electromagnetic calculation software.

本文在分析永磁齿轮磁场和转矩计算理论的基础上，利用Ansoft 电磁计算软件计算了平行轴永磁齿轮的矩角特性曲线，并研究了恒定负载下永磁齿轮的转速波动情况。

AC Test Power Supply with AC-DC-AC conversion means, effectively prevent the mains voltage and frequency fluctuations of the dielectric loss test the accuracy of the impact of even the generator, the instrument can also be run correctly.

交流试验电源采用AC-DC-AC转换方式，有效避免市电电压及频率波动对介损测试准确性影响，即便是发电机发电，该仪器也能正确运行。

He considered the introduction and absorption of innovational advances to be the mainspring of the major fluctuations of modern economy .

他认为创新进步的引进和吸引是现代经济大波动的主要原因。

Changes in the volume of unemployment are governed by three fundamental forces: the growth of the labor force, the increase in output per man-hour, and the growth of total demand for goods and services.

失业率的波动取决于三个基本因素：劳动力的增加，工作效率的提高以及对商品和服务总需求量的增加。

Changes in the volume of unemployment are governed by three fundamental forces: the growth of the labor force, the increase in output per man-hour,and the growth of total demand for goods and services.

失业率的波动决定于三个基本因素：劳动力的增加，工作效率的提高以及对商品和服务总需求量的增加。

The chief economist of Goldman Sachs, Mr O'Neill is a Mancunian famed for his accuracy in predicting the swings of the world's currency markets.

高盛首席经济学家，奥尼尔先生是个曼彻斯特本地人。他最擅长预测世界货币市场的波动。

Dinomastigota A phylum of the Protoctista containing mainly single-celled marine or freshwater algae that swim in a twirling mannerly by means of two UNDULIPODIA that lie at right angles to each other in two grooves within the organism ' s often stiffened by cellulose plates under the cell membrane.

腰鞭毛虫门：原生生物中的一门。主要包括单细胞的淡水以及海洋藻类。它们可以通过在生物体壁表面两条沟内的两个相互成直角的波动足通过旋转的方式在水中游泳。体壁可以被细胞膜下的纤维素板所加厚。

In the seismic analysis of hydraulic engineering before, the traditional model of fixed boundary with massless foundation were often adapted, and the radiation damping of foundation and the inhomogeneity input of wave-motion could not be took into account.

以往大多数水利工程的抗震分析中，多采用传统的固定边界无质量地基模型，该模型未能考虑地基辐射阻尼的影响和地震波动的不均匀输入等问题。

"When accounting for a merchandising firm, the problem of properly matching revenues and expenses becomes more difficult because of a large inventory of items, seasonal fluctuations and inventory purchasing policies."

为商业企业作帐时，收入和支出的恰当配比变得更加困难，因为有大量的库存，季节性波动，以及进货存库策略等原因。

"When accounting for a merchandising firm, the problem of properly matching revenues and expenses becomes more difficult because of a large inventory of items, seasonal fluctuation s and inventory purchasing policies."

为商业企业作帐时，收入和支出的恰当配比变得更加困难，因为有大量的库存，季节性波动，以及进货存库策略等原因。

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。。。。