However, for many kinds of reasons, employment structure transference has lagged behind severely production value structure transference.
但由于种种原因，就业结构转换严重滞后于产值结构转换。
The mineral structure of HFZSC, the mechanisms of pressure leaching of zinc and the electron transference of iron ion have been examined systematically.
系统地分析了铁闪锌矿的矿物结构、锌的浸出过程机理和铁离子的电子传递作用。
The device can effectively carry out the transference and dispersal of the prestressing force, and has the advantages of large bearing force, simple structure and raw material saving.
该装置能有效地进行预应力的传递和分散、且承载力大、结构简单，节省原材料。
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