选择性

Their behaviors on the synthesis of diphenyl carbonate from phenol and CO2 in CCl4 were examined.

以二氧化碳、苯酚和碳酸钾为原料，在四氯化碳溶液中反应合成碳酸二苯酯时，锌负载催化剂具有较高的催化活性和DPC选择性。

Optionally, you may want to add the location of the SDK's primary tools directory to your system PATH.

选择性地，你可能想要加入的位置的主要工具目录已经存在你的系统的路径。

According to the discriminability of each cue between target and background, measured by Fisher rule, an adaptive mechanism is presented to update the cue weight. Furthermore, a selective submodel update strategy is utilized to alleviate the model drift.

根据各个特征子模型与当前目标及背景的相似性，提出了一种基于 Fisher 可分性度量的权值自适应更新机制；同时为了克服模型更新过程中的漂移，基于子模型的可分性提出了一种选择性更新策略，实现了在变化场景下的鲁棒跟踪。

Starting with the analysis on discriminatory nature of transitional product-specific safeguard clause, in this chapter the paper sets forth its views that this clause has been violating the basic principles of WTO, worsening the trade environment of developing countries and undermining the fair and undicriminating principles of Safeguard Agreement. The paper then make a further analysis on the basic elements of the prerequisite for implementation of the clause and the legislativeactions of other WTO members in a more detailed way and summarizes the irrationalities and harmfulness of the clause.

从特殊保障措施作为"选择性"保障措施的实质入手，指出特殊保障措施的实施与WTO基本原则相悖，将发展中国家置于更加不利的竞争地位，并将破坏保障措施原有的公正性和合理性；然后在具体制度设计的层面上，从基本实施要件和各国特保法律实践的角度分析了特殊保障措施的不公正性和危害性。

The machine selectively recovers such documents from storage areas and dispenses them.

机器选择性的从存储区收回和分类这些证券。

The results of the hydrogenation indicate that there are the dispersion capacities of metals on the surface of carrier.

表现在Ni为主催化剂，Co的引入提高了催化剂的选择性，Cu的引入提高了催化剂的活性。

It displays in three aspects: One is the selective attention.

它表现在三个方面：一是选择性注意。

A mass of DMO in the transesterification course inhibited the disproportionation which has a small equilibrium constant. As a result, selectivity and yield of DPO were low.

酯交换反应中由于反应物DMO的大量存在阻碍了平衡常数较小的歧化反应的进行，使得DPO选择性和收率较低。

Based on distance matrix and branch vertex of atoms in a molecula,a new topological index Hz has been established to be used in researching physical and chemical properties of alkanes .

基于距离矩阵，结合分子中各原子的支化度，构建了一种新的拓扑指数Hz，并用于研究饱和链烃类化合物的性质，获得了比较满意的结果，与其他已有的拓扑指数比较，Hz具有良好的结构选择性和相关性。

In the selection of the subcategory of verbs and material classifiers, but disyllabic adjectives are free at their selection.

通过单双音节形容词的选择性考察，说明二者在语用上并不完全等价，单音节形容词往往受到较多的限制。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷