带有电压源的皮安计也可以测量高阻。

Picoammeters with voltage sources can also measure high resistances.

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在测量范围内可以产生单色辐射光学系统的分光光度计也可以使用。通常光谱是透光度（透射光强度与入射光强度之商）的函数。

Normally the spectrum is given as a function of transmittance, the quotient of the intensity of the transmitted radiation and the incident radiation.

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随着“五年计划”的到来，数以百万计的妇女也开始在工厂和大型建筑工地、大坝、道路和钢铁厂中苦干，经受着夏天的酷热和冬天的严寒。

With the advent of the five-year-plans, millions of women also began to toil in factories and in heavy construction, building dams, roads and steel mills in summer heat and winter frost.

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There will be millions of kids out there now that say "Gee, I'd like to learn to play the violin too."

如今会有成数以百万计的孩子,会说,"哇,我也要学小提琴"

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And you know, even if people are doing these things anonymously, or they're part of a big national sample where they're one of thousands and thousands of subjects, people don't necessarily like to say that they're doing something that they don't think they should be doing.

你知道,即使人们参加的是匿名调查,或他们是全国性样本中的一员,他们是那数以千计万计总体中的一员,人们似乎也没有必要说出,他们做的一些,自认为不应该做的事情

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