Don't expend all your time on such a useless job.

不要把时间消耗在这种无用的工作上。

It was a privilege revokable at any time on whim of the authorities.

这种恩赐只要当权者心血来潮随时可以取消。

It uses two separate "microcamera" lenses to shoot two pictures at the same time on VHS-C video-Cassette type.

它采用互相分离的“微型摄像机”镜头在vhs-c录像带上同时拍下两幅画面。

Abstract: Objective Method To clear the influence of pressing point and the pressing time on the incidence rate of ecchymoma.

目的探讨静脉输液拔针后按压部位及按压时间对皮下淤血发生率的影响。

Every time of education on the concept of life and death, should one time of edification, spiritualization and sublimation in mind.

每一次的生死观的教育，应该是一次心灵的启迪、心灵的净化、心灵的升华。

Deliming using CO2 Supercritical Fluid(CO2 SCF) as reactant was investigated, and the effect of the presure, temperature and time on deliming and degrease was studied.

本文以CO2超临界流体作反应物用于制革的脱灰，研究了超临界CO2的压力、温度、时间及工艺对脱灰和脱脂的影响。

The effects of the catalyst dosage and the preparation conditions of HZ-1 zeolite,for example, number of exchange times on the benzoylation of toluene were studied.

并考察了HZ-1沸石交换次数等制备条件和催化剂用量对甲苯的苯甲酰化反应的影响。

I want to find a decent and leisurable job with high pay in the future,then I can spend more time on travelling and other things meaningful.

我想在将来找到一个体面、闲适、高薪的工作，它使我可以花费更多的时间在旅游和做一些更有意义的事。

The method of synthesising terpinol with ion exchange resin catalysis was investigated. Effects of kind of solvent used, reaction temperature and reaction time on product output were studied.

探讨了用离子交换树脂催化合成松油醇的工艺条件，考察了溶剂、反应温度和反应时间等对水合反应的影响。

Application: The machine is chiefly applied to put rubber at the same time on both sides of fabrics (cord fabric, canvas, etc.);to rubberize fabrics;or to make rubber sheets.

主要用于纺织物（帘布、帆布等）双面一次贴胶，纺织物的擦胶以及胶料的压片，胶片的贴合等。