It mainly focuses on traceability, maintain, quantity transfer and stability of the National and working standard for the measurement direct and global solar radiation in China.

本文介绍了世界辐射基准的传递和我国辐射标准的溯源、维持、传递及其稳定性。

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Doctors can get an inkling by questioning people about their age, diet, infrequency of exercise and smoking habits—but it is only an inkling, not a direct measurement.

医生可以通过询问病人的年龄、饮食、锻炼的频率以及吸烟的习惯得到初步印象——但这仅仅是初步印象，并不是直接测量。

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But they needed the keen 'eye' of Hubble to make the first direct measurement of the chemical makeup of an extrasolar planet's atmosphere.

但是，天文学家仍需要一双敏锐的眼睛——哈勃来首次完成对这太阳系之外的一颗行星大气层化学构成的直接测量。

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Upon reflection, policy is best defined using current-period accounting of carbon stocks and flows, ideally with direct, measurement-based, verifiable tallies of GHG emissions from the production and use of all fuels and feedstocks.

FORBES: Rethinking Life-Cycle Fuel Regulations

While typically monitored through satellite imagery direct validation of chlorophyll blooms at this resolution provides a groundbreaking link between scientific modeling and in-situ measurement of the Pacific Ocean.

ENGADGET: Liquid Robotics' Wave Glider breaks Guinness record, does it in the name of science