What course to follow--that is a question you must quickly decide for yourselves.

We aim to help students make more informed career choices.

我们旨在帮助学生作出更有依据的职业抉择。

Sometimes, however, they will face a choice between lives.

尽管如此，它们有时还将会面临生命的抉择。

Modeling and Simulation of the Acting Factors on Vascular Selectivity of Photodynamic Therapy

鲜红斑痣光动力治疗的模型仿真初步研究

The results showed that the selectivity of the catalytic reaction is over 99%.

结果表明：Fe-Al复合催化剂催化水合肼还原硝基的选择性≥99%；

The experimental results show that the sensor has high sensitivity and selectivity to alcohol gas.

实验结果表明，这种多层结构的元件对乙醇有很高的灵敏度与选择性。

The influence of catalytic cracking temperature on the selectivity of isobutylene

催化裂化温度对异丁烯选择性的影响

The methods to improve the selectivity of complex reaction

提高复合反应选择性的措施

The sensor manufactured using the complex has a good sensitivity and selectivity to ammonia.

该配合物是一种氨敏材料，用它制作的传感器对氨气具有良好的敏感性和选择性；

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？

Ultrasound did not change the selectivity and structure of ginsenosides.

超声的加入不会改变对萃取人参皂甙的选择性和人参皂甙的结构。

Accommodation and Control of Enzymatic Activity and Selectivity in Organic Solvents

有机介质中酶催化活性和选择性的调控

Motor Protection with Absolute Selectivity Based on I 1, I 2, I 0

用Ⅰ1，Ⅰ2，Ⅰ0构成具有绝对选择性的电动机保护

The on line setting technology for improving the selectivity of microcomputer based protection of transmission line

提高输电线路微机保护选择性的在线整定技术

New Type Petrol Gas Sensor of High Selectivity

新型高选择性汽油敏感元件

The catalyst has high activity, selectivity and the characteristic of reaction controlled phase transfer catalyst.

该催化剂具有高活性、高选择性，且具有反应控制相转移催化剂的特性。

Analysis and Selectivity on the Hydraulic Formula for LPG in Pipeline

液化石油气管水力计算公式的分析与选择

The Gas Sensor of NO_2 High Selectivity and Its Surface Decorating

NO2高选择性气敏元件及其表面修饰

And additive also affected the catalyst selectivity significantly.

助剂的加入对催化剂选择性有明显的影响；

Activity and selectivity in high temperature's halogenating Reaction

烷烃高温卤代时的活性与选择性

The Analysis and Design of High Power Mode Selectivity Coupler

高功率微波选模定向耦合器的设计制作