Economic efficiency indicators of industrial enterprises I ( Cont'd )

工业企业主要行业经济效益指标I ( 续 )

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PHYLOGENY AND PHYTOGEOGRAPHY OF THE BETULACEAE ( CONT. )

桦木科植物的系统发育和地理分布 ( 续 )

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Knowledge about cost. cont. rol and food hygiene.

懂得成. 本控制及食品卫生.

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A new method using convex optimization and projection is proposed to design the low - order cont roller.

提出一种将凸优化算法和投影原理相结合的降阶控制器设计新方法.

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The welding temperature cont - trol system is of a 3 - series circuit with feedback - feed for ward compound control.

温度控制系统采用反馈 - 前馈复合控制的三环串级结构.

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