It is not annual in - come or Engel sL aw to measure Chinese living standard, but is grey consume coefficient.
衡量中国人生活水平的指标既不是年收入，也不应是恩格尔系数，而是灰色消费系数。
The cast iron standard work pieces treated with the product can obtain deep grey, uniform and fine, good rustproof phosphating film.
用此产品处理的铸铁标准件可获得外观呈深灰黑色、细密均匀、防锈性好的磷化膜。
In the analysis of grey ssytem, generalized H point standard addition method can be used to reduce the interference of unknown substances and to determine the analyte.
通用H点标准加入法可消除未知干扰影响 ，测定灰色体系中待测组分含量 ，给出唯一解。
In the analysis of grey ssytem, generalized H point standard addition method can be used to reduce the interference of unknown substances and to determine the analyte.
通用H点标准加入法可消除未知干扰影响 ，测定灰色体系中待测组分含量 ，给出唯一解。
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