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Most real-time control systems require an important device known as an analog-to-digital converter.

大多数实时控制系统都需要一个重要的装置称为模拟-数字转换器。

But in those occasions which require high precision such as electronic analytical balance, the close-loop mode must be employed to improve the precision of measurement.

但在高精度测量条件下，如电子分析天平，则必需采用闭环控制引入反馈环节，提高测量精度。

HC7000. With either projector, mounting an anamorphic lens does not require a track system.

无论使用哪种投影仪，安装了变形镜头不需要轨道系统。

The negative arguments derived from Jewish Angelology and Satanology by the author of 'Supernatural Religion' are based on inaccurate and uncritical information, and do not require detailed discussion.

负面的论点来自犹太天使和Satanology作者的'超自然的宗教，是基於不准确的和无条件的信息，并且不需要详细讨论。

Changing your bracket angle, the mounting location or the battery will require you to calibrate the compass again.

当改变了托架的角度之后，随着方向定位的改变就需要重新校准电子指南针。

Bracket angle, the mounting location or the battery will require you to calibrate the compass again.

当上述操作完成后，指南针设置即完成。当改变了托架的角度之后，随着方向定位的改变就需要重新校准电子指南针。

An alternate experimental approach which does not require the direct measurement of contact angle appears to be promising.

有一种可选用的试验方法看来很有希望，它不要求直接测量接触角。

Angora goats are also popular show animals. They require little special care .

安哥拉山羊也是种很受欢迎的观赏性动物，它们不需要什么特殊的照顾。

Angora goats are also popular show animals. They require little special care.

安哥拉山羊也是很受欢迎常炫耀的动物，他们需要些特别的照顾。

Angstrom The quantum laws of atomic scale require a description of electron motion that is more subtle and less sequential than for the moving particles of ordinary experience.

1埃 10^(-10)米原子尺度上的量子规律决定了电子运动比通常形式的粒子运动更为微妙，也更不确定。

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。