Income inequality can in principle be affected more swiftly than mobility through changes in taxes and spending.
收入的不平等问题原则上比社会流动性问题更容易改善，前者可以通过税收和支出的变化加以调节。
The technical background and principle of Ion Mobility Spectrometry technique is introduced in the paper.
介绍动态离子分析技术的技术背景和原理。
This article introduced a gas testing system, briefly elaborating work principle of the ion mobility spectrometry, hardware component and software design.
介绍一个气体检测系统，简要阐述了离子迁移谱仪的工作原理和系统的硬件组成和软件设计。
This review summarizes the fundamental principle of ion mobility spectrometry (IMS). New progress is presented and commented in detail. Furthermore, t he developmental trend of IMS is also discussed.
本文简要介绍了离子迁移谱的基本原理，对近年来离子迁移谱技术的最新进展进行了较为详细的评述，并对未来的发展趋势作了展望。
They are based on the principle of silicon piezoresistive effect, mobility change, and variable capacitance respectively.
各部分分别基于半导体压阻效应、电阻迁移率变化、极板间电容变化为原理制作而成。
The fundamental principle of ion mobility spectrometry and the recent progress in ionization source, miniaturization, Chiral separation, tandem use with GC and MS were summarized.
简要介绍离子迁移谱的基本原理、离子迁移率理论，以及离子迁移谱仪的最新研究进展；
Rational social mobility is an important mechanism to propel social harmony. The standard for the rationality is the principle of equal chances.
合理的社会流动是推进社会和谐的重要机制，而机会平等原则是衡量社会流动是否合理的根本标准。
The paper once again deals with the mobility analysis methodology of mechanisms based on constraint screw principle.
再次论述基于约束螺旋原理的机构的自由度分析方法。
According to the principle of substitution of the generalized kinematic pair, mobility of the complex loop mechanism composed by multiple sub — chain was studied.
并依据广义运动副替代原则，得到多个子链组合而成的复杂多环路机构的自由度。
Effective Mobility power Flow Method is presented, which is a new theory and is applicable in research of the power transfer principle of complex connected systems with complicated excitation.
结合复功率流法的概念和有效导纳的研究思想，提出了适合于复杂激励复杂连接系统功率传递规律研究的新理论、新方法——有效导纳功率流法。
Effective Mobility power Flow Method is presented, which is a new theory and is applicable in research of the power transfer principle of complex connected systems with complicated excitation.
结合复功率流法的概念和有效导纳的研究思想，提出了适合于复杂激励复杂连接系统功率传递规律研究的新理论、新方法——有效导纳功率流法。
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