华法令是一种合成的双香豆素,比原始复合物强5到10倍。
Warfarin, a synthesized version of dicumarol, is 5 to 10 times stronger than the original compound.
复合材料,比如以光纤玻璃和碳纤维合成的塑料树脂,已经在车辆、飞行器等产品制造中广泛代替金属。
Composites such as fibreglass and carbon fibre bonded in a plastic resin are already widely used to replace metal in making, for instance, cars and aircraft.
实体中的多个属性可以组合成一个复合的主键。
Multiple attributes in the entity may be combined to form a composite primary key.
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