取样

Sampling techniques and sample size requirements vary with the techniques used.

取样方法和取样多少的要求因所采用的测试方法而异.

Geological data can be preseted as a regularly sampled series.

地质数据可以表示有规律的取样数列.

The basket and pan types cause an increased resistance to flow.

吊篮和平盘式取样器加大了对水流的阻力.

It involves a subject known as isokinetic sampling.

这涉及所谓等速取样的问题.

Bed material samplers, as first developed , may be divided into three types.

最初的河床质取样器有三种类型.

Very great strides in sampling ocean-floor sediments were taken in the late 1960's.

海底沉积物取样的巨大进步是发生在六十年代后期.

Sampling of propellants under typical operating conditions may be necessary to obtain valid capacitance information.

为了获得有效的容量资料,在典型的工作条件下对推进剂取样是很必要的.

A core was removed from this area so that the crack surfaces could be examined.

从这一区域取样芯,以便检验裂纹表面.

Results of the sample must be translated.

取样检查的结果必须附加说明。

In an intelligence test we take a sample of an individul's ability to solve puzzles and problems of various kinds ….

在智力测验中,我们取样于个人解决各种难题和各种问题的能力.

This sampler can be used only in streams shallow enough to be waded.

这种取样器只能用在能涉渡的浅水河流上.

A depth sampler is strapped to the running board of the helicopter.

把深水取样器固定在直升机的试验台上.

The sampling system is controlled by an adjustable program timer or by a manual pushbutton.

取样系统用可调程序定时器或手动操作的按纽控制.

Supplied with sampling pump and 2 meters of PTFE tubing.

全套装备包括取样泵和2米的管.

In the case of uranium the sample location or medium is not as critical.

分析铀时对取样点位置或介质的要求就不那么严格了.