• The importance of vitamin D means your supplement should be fortified with vitamin D, no matter which type you choose.

    不管服用何种形式钙,片剂中最好都有维他命D加以强化吸收。

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  • The coefficient curves of R&D on technical progress show oblique "W" type, but on the whole, the economic benefits generated by R&D will get better and better.

    研发投入技术进步系数变化曲线表现出斜向上W整体上看研发投入所产生经济效益变得越来越好。

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  • By analyzing the forming condition of D-type graphite cast iron, the paper describes the influence of trace alloy elements on the structure and property of D-type graphite cast iron.

    通过D石墨铸铁认识过程形成条件分析,阐述微量合金元素D型石墨铸铁组织性能影响,对于提高铸铁的性能具有一定的指导价值。

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  • The paper presents the circuit structure type of the D. C. inductor in high power thyristor exciting system and the role of the D. C. inductor in the exciting current self-regulation control system.

    本文论述直流互感器大功率晶闸管励磁系统线路结构形式以及激磁电流自动调节控制系统中所起作用

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  • First of all, from the characteristics of R & D-type dynamic alliance, it has developed the application principle for the benefits distribution issues of R & D-type dynamic alliance.

    首先研发动态联盟特点出发,制定研发型动态联盟利益分配应用性原则

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  • First of all, from the characteristics of R & D-type dynamic alliance, it has developed the application principle for the benefits distribution issues of R & D-type dynamic alliance.

    首先研发动态联盟特点出发,制定研发型动态联盟利益分配应用性原则

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