sila戒SIn.国际单位制simplified first-order approximation model一次近似简化模型simplified SVPWM algorithm for three-level简化三电平SVPWM算法Sialoglycoproteins/metabolism/genetics唾液糖蛋白类/代谢/遗传学simplified thromboplastin time determination简易凝血活酶时间测定silicothermic process for magnesium reduction硅热法炼镁simuhaneous nitrification and denitrification同时硝化反硝化Simplified Aircraft Instrument Landing System飞机简易仪表着陆系统simplification and abridgement of thinking.思维的简缩性。siallite-chlorde-sulphate weathered crust硅铝-氧化物-硫酸盐型风化壳simplifie Gurtin-type variational principles简化Gurlin型变分原理