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Urea solution, saturated salt water, magnesium sulfate solution and sugar solution were used for floating fluid. Rabbit coccidia oocysts were collected by floating and centrifuging, on which three comparative tests were conducted under same conditions.

利用尿素溶液、饱和食盐水、硫酸镁溶液和砂糖溶液作漂浮液，通过漂浮、离心方法收集兔球虫卵囊，在相同条件下进行3个试验比较。

The trick about floating point numbers is that although they are extremely useful for representing real-life quantities, operations on them do not obey the arithmetic rules we learned in middle school: associativity, transitivity, commutativity; moreover, many very ordinary-seeming numbers can be represented only approximately with floating point numbers.

For example：有关浮点数的诀窍是，尽管他们是用来代表我们生活中的数，但操作却不符合我们从中学学到的运算法则：结合律，交换律等等，另外许多时候浮点数只是近似值。

The tangent space and normal space of the robot motion curve is constructed by using Newton-Euler orthogonal method, which satisfies the restrictions of linear and angular momentum conservation of free-floating space robot system. An analytical expression of joint actuation torque in the floating state is given by using this method.

根据空间机器人自由漂浮状态时系统动量守恒的特点，采用Newton-Euler正交方法构建了满足系统动量守恒约束条件的空间机器人运动曲线法空间与切空间基底，并以此基础得到了自由飘浮状态下的空间机器人关节力矩的显式表达式。

The codingoperator expresses the genes with N-decimal system floating numbers, and then the genes are divided into integer part and decimal part. The two parts are encoded into chromosomes respectively. The corresponding selection, crossover and mutation operators are designed with the theory of symbol encoding and the properties of N-decimal system floating numbers.

该编码算子首先将每个基因值用N进制的浮点数表示，然后将其分为整数部分和小数部分，分别重新编码组成染色体；相应的选择、交叉、变异算子采用符号编码的思想，充分利用N进制浮点数的特点进行设计。

A floating-point literal is a decimal representation of a floating-point constant .

浮点字面值是浮点数常量的十进制表示。

A floating-point literal is a decimal representation of a floating-point constant.

浮点表是表示一个10进制浮点常量。

Based on the rising suburbanization in China, this thesis focuses on the unique phenomena of large number of floating population flood into the suburb area. By using the integrated methods and views including sociology, demology, environmental science, the author studies on the causes of a series problems triggered by the huge increasing floating population and tries to use the new thought to resolve the problems.

本论文主要针对近年来在我国许多大城市进行工业郊区化的背景下，流动人口大量向城市郊区农村地区集中这一独特现象进行研究，综合运用社会学、人口学和环境科学的观点和方法，对这一过程中郊区农村因外来流动人口剧增而引发的一系列社会、环境问题的产生原因进行探讨，并寻找解决问题的思路。

First, the company tapping chuck Series Products: 1, S-type precision attack dual-use overload protection drill chuck series 2, Z-type drill chuck attack torque protection 3, L-type quick-style tapping chuck / L-cone-style fast tapping chuck 4, G-type torque protection of tapping chucks 5, T Series integration Tapping chuck 6, J-type floating tapping chuck 7, F-type full-floating silk attack folder the first 8, W-type import tap tapping chuck.

一、公司攻牙夹头系列产品：1，S型精密攻钻两用过载保护夹头系列2，Z型钻攻扭矩保护夹头3，L型快捷式攻丝夹头/L型内锥快捷式攻丝夹头4，G型扭矩保护攻牙夹头5，T系列一体化攻丝夹头6，J型浮动式攻丝夹头7，F型全浮动丝攻夹头8，W型进口丝锥攻牙夹头。

This paper describes the characteristics of the construction technique of floating plate ballast bed for subway at home and abroad and sums up the experience for the reference to the similar construction technique based on the construction technique of floating plate ballast bed with continuous-casting in place-metal elastic buffer in a double-tracked horseshoe-shaped tunnel of Shengzheng subway.

本文通过对深圳地铁一期工程单洞双线马蹄形隧道内，连续-现浇-金属弹簧隔振器式浮置板道床施工工艺的阐述，同时综合国内外地铁浮置板式道床施工工艺特点，总结了一些经验和认识，以供类似工程施工借鉴。

The very product is used in refractories industry for the production of energy-saving light firebrick of 0.6 g/cm3, and various energy-saving and superly lightweight refractories, which could replace 50% of the floating beads, it is a new alternative to replace floating beads , it not only could improve the quality of products, but also could reduce the production costs.

该产品应用在耐火材料行业用于生产0.6g/cm3轻质节能耐火砖，和各种超轻质节能耐火材料，可取代50%的漂珠，是替代漂珠的新型换代产品，不但可提高产品质量，而且可降低生产成本。

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。