The medical security of floating population is an important issue in developing cities.

Floating population, such as migrant workers, are particularly vulnerable to the harm of heroin.

新吸毒人员仍在缓慢滋生, 特别是农民工等流动人员成为易染毒高危人群.

Objective : To analyse the surveillance of among the floating population in Haiyan from 1996 to 2002.

目的:分析海盐县1996～2002年流动人口肺结核监测结果.

London has a large floating population.

伦敦有大批的流动人口.

Scope Management of floating population . Management population.

经营范围:流动人口管理.

We will improve services for and management of the floating population.

加强流动人口服务和管理.

The management for tuberculosis treatment among floating population should be emphasized.

流动人口中的结核病治疗管理问题需要重点关注.

1922-The Union of Soviet Socialist Republics ( USSR) is formed.

1922年的今天，苏维埃社会主义共和国联盟组成。

The United States has become the only superpower after the union of Soviet Socialist Republics was disintegrated.

苏联解体后，美国就成了世界惟一的超级大国。

China borders on the Union of Soviet Socialist Republics in the northeast, the northwest and part of the west;

现在中国的国境：在东北、西北和西方的一部，和苏维埃社会主义共和国联盟接壤。

One of the states that formerly made up the former Union of Soviet Socialist Republics ( 1922-1991).

以前构成苏维埃社会主义共和国联盟的任何一个国家。

When it existed from 1922 to 1991, the Union of Soviet Socialist Republics was by area the world's largest country.

当它存在与1922年到1991年时，苏维埃社会主义共和国联盟是世界上面积最大的国家。

If α is a pure imaginary number, the values form an isolated set and are distributed on a ray.

当指数α为纯虚数时，无穷多值是孤立点集并分布在射线上。

The Imaginary Number I in Quantum Theory

量子理论中的虚数i

This essay mainly deals with the regular pattern of the effect of controled source and mutual inductance in the transition from DC analytical Program with real number domain to AC analytical Program with imaginary number domain. The programming language is BASIC.

本文主要阐述了利用BASIC语言对已有实数范围的DC分析程序向复数范围的AC分析程序过渡中，受控电源及互感元件的作用规律。

The universal gravitation field is an imaginary number field

万有引力场是虚数场

The imaginary number comes in physical world along with physical evolution.

当代物理学的发展是与虚数进入物理世界联系在一起的。

The third to last panel is an imaginary number.

倒数第三张图是错的吧？

The relative errors of real number part and imaginary number part of wave function change periodically between positive and negative numbers.

波函数相对误差随时间的演变表现出一定的规律性，其实数部分和虚数部分的相对误差周期性地在正负之间来回变化。

The third to last panel is an imaginary number. Shouldn't it be-SQRT ( x)?

倒数第三张图是错的吧？难道不应该是-√x嘛？

The universal gravitation field is described by imaginary number in the paper. It's energy density is negative real number. And it accord with conservation of energy.

采用虚数场描述万有引力场，其场能密度是负实数，满足能量守恒定律。