n.选择性，专一性

The selectivity of this chemical reaction is very high, meaning it primarily produces the desired product.
这个化学反应的选择性非常高，意味着它主要生成目标产物。
The gas chromatography column exhibits excellent selectivity towards separating different hydrocarbons.
气相色谱柱在分离不同烃类时表现出极好的选择性。
The antibiotic's selectivity allows it to target and kill only pathogenic bacteria without harming beneficial ones in our body.
抗生素的选择性使其能够只针对并杀死致病细菌而不损害我们体内的有益菌。
The new drug candidate demonstrates a remarkable degree of selectivity for its intended protein target.
新候选药物显示出了对其预期蛋白靶点显著的选择性。
The catalyst used in the process has a high degree of selectivity for the formation of the desired alcohol.
该过程中所用催化剂对所需醇类的形成具有高度选择性。
In the purification process, we need a membrane with excellent selectivity to separate the valuable metal ions from impurities.
在提纯过程中，我们需要一种具有卓越选择性的膜来将有价值的金属离子与杂质分离。
The spectrophotometric method shows good selectivity for measuring the concentration of a particular compound in a complex mixture.
分光光度法在测量复杂混合物中特定化合物浓度方面表现出了良好的选择性。
This type of antenna exhibits selective reception due to its frequency-selective characteristics.
由于其频率选择性特性，这种天线表现出有选择性的接收能力。
The engineer designed an electronic filter with high selectivity to suppress unwanted signals in the communication system.
工程师设计了一种具有高选择性的电子滤波器，以抑制通信系统中的不需要信号。
Our machine learning model displays good selectivity when classifying between positive and negative samples in the dataset.
我们的机器学习模型在区分数据集中正负样本时表现出了良好的选择性。