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
If the user specifies these options, and there is a conflict with the option value at the data source, an error is returned (SQL 1255n).
如果用户指定了这些选项，但是与数据源上的选项值有冲突，那么返回一个错误(SQL 1255n)。
3
The article studies structure and principle of ADC. Then principle of calculate in ADC and the form procedure of static pressure sourceerror are discussed.