Err . Returns the associated error number.
Err，返回相关的错误号。
The ERR goes with the signal list within the trap command. In the following example, a non-existent file is copied, which invokes an error
ERR在trap命令中提供了一个信号列表。
Factors that may lead to canine error are similar to those that cause humans to err in the workplace: fatigue and over-eagerness to please the boss.
有些因素可能会导致一些错误。就像人类在工作时犯的错误一样，如疲劳和过度取悦老板的心理。
Through polar coordinate method error calculus demonstrated that the setting-out point error is mainly caused by Angle measurement err...
通过对极坐标法误差的计算论证了放样点误差主要是由测角误差引起。
Through polar coordinate method error calculus demonstrated that the setting-out point error is mainly caused by Angle measurement err...
通过对极坐标法误差的计算论证了放样点误差主要是由测角误差引起。
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