进展

Basing on introducing biological rhythms, especially the space biological rhythms, the paper gives an idea to develop the space chronobiology according to the needs of manned space flight in the future, and discusses the research direction and the contents, thus laying a foundation for developing the subject of space chronobiology and its system.

本文介绍了国内外生物节律，特别是航天飞行生物节律的研究进展，在此基础上，根据人类未来载人航天发展的需要，提出了开展空间时间生物学研究的问题；同时对空间时间生物学的基本概念、主要研究内容和基本模型进行了描述。根据空间时间生物学的基本模型，提出了今后重点研究的方向和内容，从而为空间时间生物学学科及体系的发展奠定基础。

This Rolex was no ordinary Rolex, it was the 150,000th Officially Certified Swiss Chronometer that Rolex made.

这不是普通的劳力士劳力士，这是150，000次瑞士天文台官方认证的劳力士进展。

This paper is focused on the preparation, characterization of metal clusters and theircatalytic performance in the enantioselective as well as stereoselective hydrogenations. It iscomposed of the five parts as follows: Chapter 1 A review was given on the two most studied enantioselective systems—Ni/TA and Pt/cinchona system, including some recent progress.

本论文研究了铂、铱纳米金属簇在α-酮酯、α-二酮不对称氢化中的催化性能及金属离子在α-二酮立体选择性氢化中的修饰作用，主要分为以下几部分：第一章对多相不对称催化体系一Ni／TA和Pt／cinchona及其一些最新进展作了较系统的评述；同时简要介绍了纳米金属簇的特性及其在催化中的一些应用。

The reported organocatalyst for asymmetric Mannich reaction include proline derivatives, chiral phosphoric acids, chiralurea derivatives, cinchona alkaloids and so on, which can catalyze the asymmetric Mannich reaction with high catalytic activity and excellent enantiselectivity.

本文评述了各类有机催化剂在有机催化不对称Mannich 反应中的应用研究进展，以及不对称诱导反应的机理、催化剂分子结构及反应条件对其催化活性和不对称诱导作用的影响。

The development of astronomy implies considerable progress in mathematics; it is not surprising that the Babylonians should have invented an extremely simple method of ciphering, or have discovered the convenience of the duodecimal system.

天文学的发展暗示了数学有了相当大的进展；令人惊讶就是，巴比伦已经发明了极为简单的计算方法，或者是已经发现了方便的十二进制体系。

We know that many of you are confused by the news of Super Junior China. We would like to let you know the cir***stances of progress and how we think about it.

我知道很多人都对SUPER JUNIOR CHINA的新闻感到困惑，我们想让大家知道现在情况的进展和我们的想法。

This article is divided into three parts:I: It gives the relevant background knowledge, mainly about the study of circulant matrices at home and abroad, the basic concepts, characteristics of circulant matrices, and the basic computing instruments which have been frequently used in matrix theory and matrix calculations.

本文共分三个部分：一：给出相关的预备知识，主要是循环矩阵研究的国内外现状和进展、文中用到的循环矩阵的基本概念、性质以及在矩阵理论和矩阵计算中经常用到基本运算工具。

The square is circumscribed by the circle .

在原地打转转，毫无进展，停滞不前以圆周方式运行

A further 20% will progress to cirrhosis of the liver over a period of 20- 30 years.

另外20 ％的进展将肝硬化的肝脏在过去一段20 -3 0年。

Compared to 10 years ago we have many more options in terms of the ability to prevent progression to cirrhosis.

和10年前相比，在阻止肝硬化进展方面我们有很多的选择。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。