at a range of

The detection threshold concentration of iodine was determined by inspecting radiographic images at a range of X-ray tube voltages and input exposure levels.

目测观察不同管电压的X线图像，确定碘的探测阈浓度。

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A cheaper range of products was introduced to plug the gap at the lower end of the market.

推出相对廉价的一系列产品，是为了填补较低档市场的缺口。

《牛津高阶英汉双解词典》

Study of oscillating combustion for solid propellant at a range of low frequencies with a h-burner

用H燃烧器研究推进剂低频振荡燃烧特性

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Above results indicate the maximum safe margin of daily Se intake should be at a range of 750-850 μ g.

据上述结果，界限日硒摄入量应在750～850μg范围内。

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Any company that sekks similar products at a range of prices fears cannibakization.

任何一家在一定的价位幅度内销售类似产品的公司都害怕面对产品同质化的问题.

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The enemy opened fire at a range of only 20 yards.

敌人在距离仅20码的地方开火了。

《柯林斯高阶英汉双解学习词典》

one of these weapons is the air defense dazzler, which can engage enemy aircraft and helicopters at a range of 10 kilometers.

其中一种激光武器是防空致盲器，该武器可以对10公里范围内的敌方飞机和直升机进行干扰。

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This weapon can kill at a range of 200 yards.

这种兵器在200码内有杀伤力.

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Guests at the health spa receive a range of beauty treatments.

客人在健身中心享受各种各样的美容服务。

《牛津高阶英汉双解词典》

But a look at a range of products on offer in the departure lounge stores shows many are available cheaper elsewhere.

然而，观察一下候机厅商店里出售的一系列商品就会发现，许多在别处买会更便宜。

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He developed a wide range of sporting interests as a pupil at Millfield.

他在米尔菲尔德私立学校上学的时候培养了广泛的运动爱好。

《柯林斯高阶英汉双解学习词典》

A range of policies have been introduced aimed at curbing inflation.

为了抑制通货膨胀实施了一系列的政策。

《牛津高阶英汉双解词典》