查询词典 useful

This research was important to understand the symmetry property on Dauphine and Brazil twinning of α-quartz and provided a useful method for the identification of the two kinds of twinning.

这一研究对认清α-石英道芬双晶和巴西双晶腐蚀像的对称关系，鉴定α-石英的双晶类型具有理论与实际意义。

Stop dawdling and do something useful !

不要游荡了，做点有用的事吧！

I'm not sure how useful the custom DB error page will be for some people.

我不知道如何有益的习俗DB错误网页会被一些人。

VC prepared by the DDE procedures for understanding the concept of DDE useful.

用VC++编写的动态数据交换DDE的程序，对于理解DDE的概念有用。

Secondly, the methods of control performance assessment based on the minimum variance control are emphasized. The simulation of the power plant deaerator level control system shows that it is very useful method to monitor the condition of the control loops.

接着，着重介绍了基于最小方差的控制系统性能评价方法，并对某电厂除氧器水位控制系统进行了性能评价研究，结果表明，这种性能评价方法对实际控制回路性能的监测具有重要的指导意义。

A born teacher, she thought she could turn a deaf-blind person into a useful human being.

她生来就是当教师的，她认为她可以把一个又聋又瞎的人变成一个有用的人。

A born teacher (=As she was a born teacher), she dreamed of turning a deaf-blind creature into a useful human being.

她是一位天生的老师，向往着把一个又聋又瞎的人变成一个有用人才。

9She was a lively young woman with patience and imagination. A born teacher, she thought she could turn a deaf-blind person into a useful human being.(SBIII L65)Born means (10)The purpose of the fence is to keep out a type of wild dog called a "dingo".

在"综合提升"阶段，我们选择一些与高考要求接近的语篇，设计一些词语推测题型，指导学生进行综合性性推测训练。

Deblock filter, therefore, improves the quality of video transmission in the low bit rate wireless channel. The research results show that the method has useful practice value.

去块滤波器的使用，提高了在低码率的情况下图像传输的主观质量，获得了较为满意的结果，具有一定的实用价值。

This is useful for debug purposes.

这是非常有用的调试目的。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。