This kind of minority is analytical from the technique mainly is because fixedly the technique with design and the net dollar equipments of the network structure is opposite to fall behind.
这种弱势从技术上分析主要是由于固定网络结构的设计和网元设备的技术相对落后。
Firstly, the packed column popularly used in analysis of these compounds has not met the needs of existing equipments, which outdates these analytical methods.
首先，分析方法落后，绝大部分使用填充柱分离，已和现行仪器不相适应；
Firstly, the packed column popularly used in analysis of these compounds has not met the needs of existing equipments, which outdates these analytical methods.
首先，分析方法落后，绝大部分使用填充柱分离，已和现行仪器不相适应；
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