查询词典 preventive

The existing safety problems of some common food packaging material s(such as plastic, rubber, paper, glass, metal, porcelain enamel and pottery)were introduced, and several preventive and control measures were also put forward in this paper.

介绍了常见几种食品包装材料(塑料、橡胶、纸、玻璃、金属制品、搪瓷、陶瓷)中存在的安全隐患问题，并针对这种情况提出一些预防控制措施。

Foreign and domestic institutions put a lot of power of pump failure causes and preventive measures.

国内外众多机构投入了大量的力量研究抽油泵的失效原因和防护措施。

Foreign and domestic institutions invested heavily in the power of pump failure study the causes and preventive measures.

国内外众多机构投入了大量的力量研究抽油泵的失效原因和防护措施。

Rice ; Chilo suppressalis; Occurrence law ; Prediction model ; Preventive tactics

水稻；二化螟；发生规律；预报模型；预防策略

An integrated control based nonlinear programming model for preventive corrective control is proposed and then solved by predictor corrector primal dual interior point method.

提出基于集中控制方式的电压崩溃预防校正控制的非线性规划模型，并将预测校正原对偶内点法用于预防校正控制措施的研究。

This article through carries on the analysis to the Fu-Chao highway roadbed T-beam prefabricate d situation,summarizes T-beam to prefabricate in the process the common question as well as the preventive measure,only supplies the reference.

本文通过对阜朝高速公路路基T梁的预制情况进行分析，总结出T梁预制过程中常见的问题以及预防措施，仅供参考。

Disease preventability : Most people, particularly those who were older and less educated, had confidences on the effects of self-preventive strategies on influenza and SARS.

至于传染病的预防信念方面：多数民众对靠自己预防流感及SARS的信心颇为正向，尤以老人、低教育程度及自觉免疫力佳者为甚。

We have to take the preventive measures.

我们不得不采取预防措施。

We had to take preventive ...

我们不得不采取预防措施。

We have to take a preventive action.

我们不得不采取预防措施。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。