... operator notation 算子表示法,算符表示法... operator on duty 值班人员;值班操作人员... operator part 操作码部分...
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一个值班人员。
Please save on water and electricity. If anyone finds that there is something wrong with the water or electricity, please tell the operator on duty.
节约用水、用电，如发现水、电出现故障，要及时报告公寓值班人员。
The accuracy and efficiency of information transmission have been improved and the work tense of the operator on duty has been mitigated after the application of the system.
系统应用后提高了信息传递的准确性和及时性，大大减轻防汛值班人员的工作强度。
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