标准化
As an experienced technician， you are responsible for Technical Support. A customer calls to askthe best signal level and noise level for cell phone. How to respond？（） [" -40dBm signal and -90dBm noise"," -50dBm signal and -90dBm noise"," -30dBm signal and -90dBm noise"," -20dBm signal and -90dBm noise"]
如何构建或改造企业的组织能力？
根据精子来源的不同，人工授精可以被分为AIH（）和AID（）。
压扁层理
阳刚与阴柔
