查询词典 necessary

Third, a healthy body is also necessary for accumulating wealth.

第三，有健康的身体也需要积累财富。

The test result shows that the instruments at the same accuracy grade provide different cycling error, so it is necessary to provide maximum cycling error to guarantee all of the measurement errors within the limited range.

试验结果表明，相同准确度等级的仪表，其回转误差优劣相差很大，因此，必须提供仪表最大回转误差，以确保所有测量误差处在限定范围之内。

Therefore, measurement accuracy of industrial production is a necessary requirement.

因此，提高产品的检测精度是工业发展的必然要求。

Second, it is necessary to accurately grasp the focus of education.

第二，要准确把握教育工作的重点。

Calculate the minimum number of amino acid residues necessary for one segment of a helix to traverse the membrane completely.

计算跨过的一个节段的α螺旋所需的最低氨基酸残基数。

In order to industrialize the organic acid pulping process, more research on process simulation and optimization is necessary.

有机酸制浆要实现工业化，需在原料开发、流程模拟和优化等方面进一歩深入研究。

It is universally acknowledged that trees are necessary to us.

人们普遍认为树木对我们是不可或缺的。

Therefore, it is necessary for a high performance conferencing system to remove the acoustic echoes.

因此，对于高性能的会议系统来说，消除回声的影响是必需的。

Women are the true maintenance class.Society is built upon their acquiescence,and upon their small and necessary labors

女人是真正维系社会的纽带——社会的建立就是以她们的默许以及渺小却又必要的劳动为基础的。

So it is necessary to research the data acquisition system.

因此有必要对其中的数据采集系统进行研究。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷