selectivity

1. ADJ-GRADED 选择性的;有选择的;选取少量的
   A selective process applies only to a few things or people.
   1. Selective breeding may result in a greyhound running faster and seeing better than a wolf.
      选择性交配繁殖有可能培育出比狼速度更快、视力更佳的灵犭是。
   2. ...selective education.
      尖子生教育
2. ADJ-GRADED 仔细挑选的;严格筛选的
   When someone is selective, they choose things carefully, for example the things that they buy or do.
   1. Sales still happen, but buyers are more selective...
      销量仍在，但购买者更加挑剔。
   2. If public figures seek publicity to further their careers, they can't be selective about it.
      如果公众人物想通过吸引公众的关注来推进事业，他们可能会不加选择。
3. ADJ-GRADED (记忆)选择性的，只记一部分的
   If you say that someone has a selective memory, you disapprove of the fact that they remember certain facts about something and deliberately forget others, often because it is convenient for them to do so.
   1. We seem to have a selective memory for the best bits of the past...
      我们似乎只记得过去最美好的时光。
   2. Mr Robins, suffering from selective amnesia about his role in the affair, was contradicted in nearly every instance by other witnesses.
      对于自己在该事件中所扮演的角色，罗宾斯先生患上了选择性失忆症，因此几乎在每次庭审中都会受到其他证人的反驳。

1. Mechanical test results must be evaluated In conjunction with catalyst activity, selectivity, and stability data.
   必须将机械测试结果和催化剂活性、选择性和稳定性数据联系起来进行综合评价。
2. But the selectivity calculated in this way is not as accurate as selectivity calculated using data distribution.
   但是，使用该方式计算的选择性不如使用数据分布计算的选择性准确。
3. In other words, the optimizer overestimated the selectivity of the local predicates on the table.
   换句话说，优化器过高估计了本地谓词对表格的选择性。
4. The optimizer can use data distributions to calculate selectivity for the filters in a query.
   优化器可以使用数据分布来计算查询中过滤器的选择率。
5. By means of streaming potentiometry, the associativity, selectivity, stability of2,4-D MIP have been investigated.
   采用流动电位法，研究了聚合物对于模板分子的结合性，选择性，稳定性。
6. Coupling of the ligand with its receptor has the characteristics of high specificity, selectivity and affinity.
   配体-受体结合具有高特异性、选择性和高亲和性特点。
7. The catalytic activity declined as the selectivity of paraxylene and ortho-xylene improved with increasing treated temperature.
   随着处理温度的提高，催化剂的活性降低，对二甲苯和邻二甲苯的选择性上升。
8. This process relies on a catalyst of high selectivity and week activity.
   这过程所靠的是一种高选择性和低活性的催化剂。
9. The sensitivity and selectivity of chemical sensors are controlled by sensitive materials mainly.
   化学传感器的灵敏度和选择性主要通过敏感材料的选择来确定。
10. Active transport: This process is characterized by selectivity and saturability and requires energy expenditure by the cell.
    主动转运这种转运过程的特征是选择性和饱和性，需要细胞的能量消耗。
11. The catalyst had high activity and high selectivity in esterification of phthalic anhydride with isoamyl alcohol.
    该催化剂对邻苯二甲酸酐和异戊醇的酯化活性高，无副反应。
12. To improve the performance and selectivity of filter, a complementary open-loop resonator ( COLR) is proposed.
    为了改善滤波器的性能，提高滤波器的选择性，提出了互补开环谐振器（COLR）。
13. Experiments show that compound solutions have high selectivity and can effectively reduce the gum level of gas oil.
    实验结果表明，复合溶剂具有较高选择性，能有效降低粗柴油中的胶质含量；
14. The catalytic activity and selectivity of the catalysts for n-pentane isomerization at ambient temperature were investigated.
    考察了所制备的催化剂上常温下正戊烷异构化反应的活性和选择性。
15. Supercritical conditions can enhance the conversion of isooctane but lower the alkene selectivity simultaneously.
    超临界条件与常压相比能提高异辛烷的转化率，但同时使烯烃选择性降低。
16. Cognitive context is dynamic, and it has the characteristics of immediacyand selectivity.
    认知语境是动态的，具有即时性和选择性的特点。
17. In this study, the chiral selectivity of arginase was investigated by means of molecular dynamics and molecular docking.
    本文运用分子对接和分子动力学模拟的方法，对精氨酸酶进行手性选择性研究。
18. The characteristic and development of Co-based catalysts are reviewed, and the factors affecting the activity and selectivity of catalysts are analyzed.
    本文介绍了钴基催化剂的特点和发展状况，分析了影响其活性和选择性的因素。
19. And a selectivity QoS adjust mechanism is proposed.
    在此基础上，提出了选择性QoS调整机制。
20. Noble catalysts have high activity and selectivity, and the reaction conditions are mild.
    贵金属催化剂活性高，选择性好，反应条件温和。
21. When classic mesoporous aluminosilicates are used as catalysts, both phenol conversion and2,4-DTBP selectivity are very low.
    普通介孔硅铝酸盐作催化剂时苯酚的转化率和2，4-二叔丁基苯酚的选择性都偏低。
22. The protein binding selectivity of clozapine was discussed.
    讨论了氯氮平蛋白结合作用的选择性。
23. The composition and method provide unexpected selectivity for removing conductive and semi-conductive layers relative to dielectric layers.
    该组合物和方法提供了相对于介电材料选择性去除导电层和半导体层的出乎意料的选择性。
24. Their adsorption capacity and selectivity for p-xylene were high.
    它们吸附对二甲苯的容量和选择性都很高。
25. The commercial results showed that the catalyst possessed high isomerization activity, selectivity and stability.
    工业标定结果表明：催化剂的异构化活性高，选择性和稳定性好。
26. The relationship between ion solvation and selectivity of PVC membranes for alkali metal ions has also been studied.
    研究了溶剂化作用同PVC膜对金属离子选择性的关系。
27. Such main body's selectivity has the characteristics of activity, creativity, and self-dependence.
    这种主体选择性具有能动性、造性和自主性。
28. The advertisement audience has the greatly strengthened selectivity and elusion to the media advertisement.
    广告受众对媒介广告有极强的选择性和回避性。
29. This method is of high sensitivity, simple equipment, easy operation and good selectivity.
    方法灵敏度高，设备简单；操作方便，选择性好。
30. Conversion and selectivity of catalytic reactions as well as the deactivation rate of the catalyst itself is very temperature-sensitive.
    催化反应的转化率和选择性以及催化剂本身的失活速率均对温度十分敏感。

noun

1. the property of being selective