查询词典 artificial

In order to reduce the natural aging time of 2024 aluminum alloy, a new artificial aging technique of 2024 which aging time is shorter than that of the natural aging technique, based on the hardness and conductivity test and aging principle analysis, was proposed in this paper.

高立柱 ，刘艳红，田秀云为缩短2024铝合金的自然时效时间，本文通过对2024铝合金导电率和硬度实验研究以及对它的时效机理的分析，初步确定了2024铝合金的一种新的时效时间较短的人工时效制度。

If the system of archaic law at which we are looking be one which admits Adoption, we must add to the Agnate thus obtained all persons, male or female, who have been brought into the Family by the artificial extension of its boundaries.

如果我们所研究的古法律制度是一个允许收养的制度，则在"宗亲"之中还必须加进由于人为的扩大范围而增加到"家族"中来的人口，包括男性或女性。

To improve the robustness and anti-interference ability of large air dense medium fluidized bed, an internal model control based on artificial neural network inverse system method was proposed.

为了提高大型空气重介流化床的鲁棒性和抗干扰能力，提出了基于人工神经网络逆系统方法的内模控制。

Because the air entrainment tong artificial brick its light quality, the heat preservation heat insulation, sound-insulated and so on the performance are good, in recent years gradually has substituted the old wall material.

加气砼砌块由于其轻质、保温隔热、隔音等性能较好，近年来逐渐替代了旧的墙体材料。

BACKGROUND: Perfluorocarbon emulsions are artificial oxygen carriers that have been shown to attenuate the effects of air embolism.

背景：全氟碳乳剂是一种人工氧载体，被证明可以减弱空气栓塞的效应。

The air-conditioned environment is artificial and safe, that's why we feel comfortable in both spaces.

空调环境是人造的，安全的，这就是我们在两个空间中感觉舒适的原因。

But, in the natural and artificial signal, a lot of signal phases don\'tvary linearly with time, for example, we usually use chirp signal in the radar technology,frequency step signal, linear modulation component of the ground echo in the SARtechnology, linear modulation component of the moving target echo, linear modulationcomponent while the airborn radar detecting the moving target, etc.

在自然界和人工信号中，许多信号的相位变化并不是随时间一次方变化，如雷达技术中常用的线性调频信号，频率步进信号，另外，SAR 技术中，地面回波所含有的线性调频分量，ISAR技术中，运动目标的回波所含有的线性调频分量，机载雷达探测运动目标时的线性调频分量，等等；傅里叶变换对此类信号分析所得的结果是信号在不同频率点上的能量分布，即信号在基函数上的投影。

The key problem of the transmitted station is to find the suitable artificial seismic source: powerful, green and clear sources. With the development of airgun technique and information theory, it is possible now to obtain the image of a 100 000 km2 in spatial coverage and 40 km in depth by use of the transmitted seismic stations.

建立地震发射台的核心问题是选择合适的人工震源，近年来出现的绿色环保震源，以及现代信息处理技术的发展，使得建立照亮10万km2地区地下结构的地震发射台已经完全是可能的。

Further more, airgun source has good repeatability and is effective to produce S wave, it has been proved to be an effective artificial source on land to provide wide-angle and long-offset recording to study deep crustal structure.

气枪震源还具有一般炸药震源不具有的特征，如长期定点重复激发和有效转换S波的优点，是陆上进行长炮检距深穿透地下结构研究的一种优良人工震源。

It marks the one of the greatest artificial miracle, even can be seen from airspace.

它是最伟大的人造奇迹之一，甚至从太空都看得到。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。