1.【无线】选择性;选择度;【物】选择能力;选择率
2.选择;精选
1.the choosing of only some, not all, and the exercising of judgment in making the choice
2.the degree to which an electronic device or circuit can distinguish a desired frequency from other adjacent frequencies, as in the tuning circuits in radio or television receivers
3.the principle that government aid should be given only to those shown to be in greatest need
1.Affinity-based separation techniques have exquisite selectivity and have been used to purify biomolecules.
亲和性分离技术有较高的专一性，并且已经用于纯化生物大分子。
2.The selectivity of inhibition is at least as good as that shown by a small interfering RNA targeted to a deletion polymorphism.
选择性的抑制，至少不如说表明了一个小干扰RNA针对一缺失多态性。
3.How much confidence can one place in the estimate of predicate selectivity?
在谓词选择型评估中，一个会有多大比重？
4.By altering just a single residue to reverse its charge, the researchers were actually able to switch the selectivity of the filter.
通过只改变单个氨基酸残基来逆转其电性，研究人员实际上能够关闭过滤器。
5.The results of the calculation showed that this photochemical technique had a high selectivity.
结果表明，原子光化学分离方法具有很高的分离选择性；
6.We would like to measure the intrinsic selectivity behavior of a catalyst independent of any potential disguises.
我们很想去掉任何可能的假象以测定催化剂固有选择性的可能。
7.Such selectivity and effective equimolar reactivity has never been demonstrated in a living animal.
这样的选择性和有效等摩尔反应性在活的动物身上还从没有实验证实过。
8.Then we point out the selectivity of every kind of words about these four exclamatory structures.
揭示了这些感叹结构对不同词语的选择和限制。
9.As a low selectivity in the receptors, most PD reactions from Chinese herbal monomer extracts turn out to be persified.
由于对受体的选择性不高，绝大多数中药单体提取物引起的PD反应复杂多样。
10.The optimizer uses MAGIC values as a last resort when it is unable to accurately predict the selectivity of a predicate .
当优化程序不能准确判定一个谓词的选择性时，它的最后一个手段就是利用MAGIC值。