The development, lab analog test and field test of Model ZYF hydraulic hole packer are presented in the paper.

介绍了ZY F型钻孔液压封孔器的研制、实验室模拟试验及现场工业性应用试验情况。

youdao

This paper presents a new method for the efficiency test of model water turbine with the help of a single board microcomputer.

本文介绍模型水轮机效率试验中使用单板微型计算机的一种新方法。

youdao

Through the test of model beam, we build the relationship between characteristics of vibration with attached load and its damaged mode.

通过模型梁试验，建立起简支梁在附加荷载作用下振动特性与破损模态之间的关系。

youdao

In forecasts extending beyond the sample period used in the study, a stern test of any model, Mr Oswald's approach easily outperforms its rivals, including consensus predictions of commercial forecasters.

ECONOMIST: Oil and the new economy

The test of his entrepreneurial model will be whether he will know when to say good-bye.

ECONOMIST: Johnny Appleseed.com

Months later I had recovered enough to fly a test model of the Eclipse 500 jet in the skies over Albuquerque and climb the Sydney Harbour Bridge with Steve Forbes.

FORBES: Welcome to Digital Rules