这种资金组合包含大约50-55%的股票，35-40%的债券，5-10%的现金和等价物。
The portfolio would consist of approximately 50-55% equities, 35-40% bonds, 5-10% cash and equivalents.
这些税种的某种组合与其他某些税种是等价的。
Certain combinations of these taxes are equivalent to others.
逻辑综合的功能是对组合逻辑函数的描述进行转换和优化，生成与逻辑功能描述等价的优化的逻辑级纯结构描述。
Functions of logic synthesis are to transform and optimize the combinational logic functions and produce the pure logic level structural description.
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