The core idea of this paper is that the grain corporation should use the futures market on its own initiative in order to exert its advantages.
本文的核心是粮食企业应该积极地利用期货市场，学会在期货市场和现货市场上两条腿走路，以此发挥粮食企业的优势。
To employ double balanced valve seat design, it has smaller volume and larger displacement and can exert its advantages when needing large displacement.
双平衡阀座设计，比一般的疏水阀体积小而排量大，在特大排量场合更能发挥优越性。
Only by guaranteeing the making quality and correctly using of the multimedia courseware, could we fully exert its advantages in classroom instruction, and improve the teaching effect.
只有保证多媒体课件的制作质量和正确使用，才能使其在课堂教学中充分发挥优势，提高教学效果。
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