Parents have a legal D. obligation to ensure that their children are provided with efficient education suitable to their age.
父母有法定的职责确保孩子享有适合其年龄的有效教育。
Through the prediction simulation to 7.8 earthquake of Tangshan in 1976, it is shown that the D-S theory is more efficient and superiority in earthquake prediction.
通过对1976年唐山7.8级地震预报的仿真，结果表明：D - S理论在地震预报中具有一定的有效性和优越性。
We are pleased to introduce a efficient and energy saving rapid cooling heat-transfer tube-D shape (semicircle) seamless steel tube to the refrigeration industry.
现向制冷行业推荐使用一种高效节能的速冻传热管——D型(半圆形)无缝钢管。
It turns out that the method in this paper is much more efficient and accurate than the pseudobending technique, but is only applicable to 1 D velocity model.
结果表明：本方法比伪弯曲法的计算效率和计算精度更高，但是只适用于一维速度结构；
Results show that the variation method is a efficient way to retrieve 3-d wind field data from Doppler radar data.
分析结果表明，变分法是一种较为准确的从雷达资料中提取三维风场的方法。
Results show that the variation method is a efficient way to retrieve 3-d wind field data from Doppler radar data.
分析结果表明，变分法是一种较为准确的从雷达资料中提取三维风场的方法。
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