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1·One source of error is refraction, the bending of light beams as they pass through air layers of different temperature and pressure.

误差的一个来源是折射，即光束通过不同温度和压力的空气层时发生的弯曲现象。

2·The Chinese also launched weather balloons near their theodolites to measure atmospheric temperature and pressure changes to better estimate refraction errors.

中国还在经纬仪附近发射了气象气球来测量大气温度和压力变化，以更好地估计折射误差。

3·Refraction of light gives the above results.

光的折射会产生上述的结果。

4·Refraction has been dealt with on page 156 .

折射已经在前面156页谈过。

5·What would a negative index of refraction look like?

如果折射率是负的,会发生什么事情?

6·Relating to or characterized by double refraction .

关于或具有双折射特征。

7·The bending of the light rays is caused by refraction .

光线的弯曲是由折射造成的。

8·Probably myopic, but I must complete the refraction to be sure.

看来你是近视眼，但还需要验光检查来证实。

9·Over water the diurnal change in refraction is likely to be small.

在水面上，折光的周日变化可能是很小的。

10·The rainbow looks curved. These are some examples of light refraction.

彩虹看起来是弯曲的。这是一些光的折射的例子。

(1)refraction index折射指数，折光指数

(1)index of refraction[物]折射率

(1)negative refraction负折射

(1)double refraction双折射

(1)refraction coefficient折射系数

(1)seismic refraction震波折射