至今

In the 50 years since its birth, membrane structure has become one of the mostimportant structures in the field of large span space structures. It is famous for thevariable architectural styles and the light and floating structural properties.

膜结构自诞生至今只有短短50年左右的时间，但以其丰富多变的建筑造型、轻盈通透的结构特性迅速发展成为大跨度空间结构领域重要的组成部分。

How to control flood is a difficult problem and no best way is available now all over the world.

如何对付水灾，可以说是一个世界性的难题，人类至今仍然没有找到一个应付自如的方法，它依然是困扰大多数国家的一个重大问题。

It has been more that 1 year since it closed floodgate in 1,May 1998 in the Ertan hydroeleetric power station.

二滩水电站于1998年5月1日下闸蓄水，至今已有1年多。1年来，库首区周边出现了少量与库水位涨落有关的弱震活动。

Not a single flop so far and that's saying a lot.

没有一个失败，而且至今的说法很多。

Since 1960's, with the development of computer technology, many breakthroughs have been obtained on the Computational Fluid Dynamics.

上世纪60年代至今，随着计算机科学技术的发展，计算流体动力学取得了重大的进展。

Since 1960's, with the development of computer science and technology, many breakthroughs have been obtained on the Computational Fluid Dynamics.

上世纪60年代至今，随着计算机科学技术的发展，计算流体动力学取得了重大的进展。

Up to now, the use and manufacture of spiral fluted taps is seldom seen in our country, The design of spiral fluted taps with a large diameter is still in the reseach stage.

目前，螺旋槽丝锥在我国的制造和应用还很少，而大直径螺旋槽丝锥的设计至今仍处于探索阶段。

Fly to what the columbine net that send a book regards classification as information to get army person, go all the way up to now from 5 years, set out from the angle of the user ceaselessly consideration, it is essential jumping-off place with user demand, it is with puissant technology rely on, ceaseless and perfect, innovate ceaselessly.

飞鸽传书网作为分类信息的领军者，从05年至今一路走来，不断从用户的角度出发考虑，以用户需求为根本出发点，以强力技术为依托，不断完善，不断创新。

This rotator device is still used today for all Takahashi focuser from the 2" to 4" focusers and all astrographs.

该旋转接口至今仍应用于高桥的2"到4"的调焦座以及天文摄影中。

The folk wisdom of Feng Shui, which is not yet fully understood, is much more than mere superstition.

风水所涵盖的民俗智慧或许至今尚不能以科学方式完全解析，但亦不能将之归为全然的神怪迷信。

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％。