National physique monitoring is a complicated work, of which on the spot testing is important.

国民体质监测工作是一项复杂的系统工程，现场测试是其重要环节。

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They help enforce it by going to markets, buying salt and testing it on the spot.

她们去市场购买盐当场测试含碘量，以此推动这项运动的实施。

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Unfortunately, such a kit for testing animals on the spot does not yet exist and we are still dependent on time-consuming laboratory tests.

遗憾的是目前尚没有这种实地动物化验工具，我们不得不继续依靠耗费时间的实验室化验。

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Described by a PR rep we contacted as a "new user experience" the company is testing, the assistant talks to users directly and asks them to rate a few movies on the spot before providing new suggestions.

ENGADGET: Netflix testing 'Max' assistant on some PS3 users to improve movie recommendations

Such is his commitment to breaking the old system that BHP has recently been testing indexed prices by selling iron ore on spot markets at well below contract prices.

ECONOMIST: BHP Billiton ends its pursuit of Rio Tinto