flood prevention是什么意思

网络释义

用法例句

Study on Stability of Neutral Potassium Permanganate Liquid;

中性高锰酸钾溶液稳定性研究

Study on dispersion stability of nano-colloid system;

纳米胶体体系的分散稳定性研究

The stability of hydrocolloids and salts on fruit juice milk;

亲水性胶体和盐类在果汁牛奶中的稳定作用

Study report on technology of clarification and stabilization of seabuckthorn ferment wine;

沙棘发酵酒的澄清与稳定工艺研究

Preparation, Application and Developing Trend of Urea Peroxide of Stabilization and High-active Oxygen;

稳定、高活性氧含量的过氧化尿素的制备、应用及发展前景

On the stabilization and information work in universities;

浅谈高校稳定与信息工作

Conditions of steady produce in succession with Chinese built plane optical instrument;

国产光学设备平面高效连续稳定生产的条件

Under the situation of raw material's quality not being guaranteed in 4# blast furnace of Han Steel,its steady condition and smooth running and high-efficiency production are realized with operation parameters being continuously optimized and low-silicon smelting adopted,and its highest operating rate reaches 2.

邯钢4#高炉在原料不太好的情况下,在确保炉况稳定顺行的基础上,不断优化操作参数并实施低硅冶炼,高炉利用系数最高达到2。

Connected with Changzhi 110 kV Network,it calculated tidal?steady and short circuit currents and evaluate present condition and development of Changzhi power network.

以山西主网 2 0 0 1年度运行方式为基础 ,嵌入长治 1 1 0 k V电网 ,进行电网潮流、稳定、短路电流等计算 ,对长治电网现状与发展进行评

The stability of the two numerical schemes:the mean-square stability,A-stability,is studied on the basis of the two types of test equations of stochastic differential equations.

给出了求解随机微分方程的2种数值方法:有限差分法和向后Milstein法,基于随机微分方程的试验方程分析讨论了2种数值方法的均方稳定性和A-稳定性,得到了相应的稳定性条件和稳定域。

The nonlinear wave equation is explored,a linearly implicit Predictor-Corrector(PC) method which is confirmed two-order accuracy,L-stability and A-stability is proposed.

对一维非线性波动方程的数值解法进行了研究,提出了一种可达二阶精度,并保持L-稳定、A-稳定的预测-校正格式,并在此基础上提出了求解该问题的预测-校正多重网格算法(PC-MG法),加快了迭代收敛速度,大大提高了求解效率,数值实验结果证明了该方法的精确性和可靠性。