When they do employ locals, Chinese firms often offer low wages and low labor standards.
2
仅用一套二氧化硅为基体的人工标准，就能测定多种单矿物中的25项伴生元素和痕量元素。
One single set of synthetic standards of silica matrix will suffice for the determination of as many as 25 associated elements and trace elements in a variety of minerals.
3
方法：56名心跳呼吸骤停患者分为心肺复苏机cpr组、人工标准CPR组，比较两者循环、呼吸恢复率。
Methods: 56 patients with cardiac respiratory arrest were divided into Thumper PCR group and standard CPR group. The resuscitation rate of circulation and respiration was compared in both groups.
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