Calcium has a very narrow safe range of intake.

钙具有很窄的安全范围的摄入量。

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The long term toxicity test also indicated that this drug has low toxicity and wide safe range.

长期毒性实验也表明本品毒性低、安全范围大。

youdao

The temperature difference between two adjacent tubes is in a safe range, causing no excess thermal stress.

管间温差也在允许范围内，不会引起过大的温差应力。

youdao

They must have easy access to a range of safe, effective, and affordable contraceptives and the information and counseling needed to use them.

CNN: Africa's birth rate: 'Why women must be free to choose'

In its latest survey of consumer attitudes in July 2010, Fannie Mae, one of America's two housing-finance giants, found that Americans wanted to buy houses for a range of reasons, from providing a safe environment for their children and having more control over their living space to making a financial return.

ECONOMIST: Bricks and slaughter

The defence secretary also said the military would be using its full range of capabilities and equipment to "keep London safe during the Olympics".

BBC: London 2012: 13,500 troops to provide Olympic security