This article introduced several factors that affect the life span of HPLC column.

His ability to absorb information was astonishing, but his concentration span was short...

他吸收信息的能力令人吃惊，但是他的注意力持续时间很短。

a series of bridges spanning the river

架在河上的一系列桥梁

a bird with a large wing span

一只翼展宽大的鸟

It is a very pretty butterfly, with a 2 inch wing span...

这是一只非常美丽的蝴蝶，翼展 2 英寸。

The project must be completed within a specific time span .

这项工程必须在规定期限内完成。

Hole Crossing River, no water based, similar bridges span ranks first in the world.

单孔跨江, 无水下基础, 跨度雄居世界同类桥梁首位.

...a remarkable man whose interests spanned almost every aspect of nature.

一个兴趣广泛、几乎涉猎了自然学科所有领域的杰出男性

Family photos spanning five generations were stolen.

一家五代人的照片失窃了。

SPAN and TIMS are currently the most popular margin systems in the world.

目前国际上各交易所广泛使用的两大保证金系统是SPAN系统和TIMS系统.

The batteries had a life span of six hours...

这些电池的寿命为 6 小时。

The Mongol Empire spanned much of Central Asia.

蒙古帝国跨越中亚的许多地区。

The bridge crosses the river in a single span.

河上的桥为单跨桥。

The operation, which spanned nine countries, resulted in 200 arrests.

这次行动涉及九个国家，逮捕了200人。

The main products are spandex fabric , polyester stretch fabrics, functional fabrics and so on.

主要产品是四面弹, 涤纶弹力面料, 功能性面料等.

Some key factors that influence the production of melt spinning Spandex are analyzed.

分析了熔纺氨纶生产中的主要影响因素.

At last predicts the development trends of spandex.

最后,预测了聚氨酯弹性面料的整体发展方向.

Spandex inner wrist cuff with thumb hole , protecting hands from cold.

手腕袖口内带有弹性的拇指出口, 帮助手部抗寒.

Spandex and silk viscose fiber and textile raw materials in the fine performance of irreplaceable.

而且粘胶纤维和氨纶丝在纺织原料中的优良性能无法取代.

The wearing comfort is seriously affected by property and construction of spandex knitting underwear.

棉氨针织内衣面料性能及内衣结构对穿着舒适性有重要影响.

The thrust at spring of spandrel arch makes it different between compound bridge and ordinary bridge.

复拱桥腹拱拱脚对主拱有较大水平推力作用,这一水平推力使得复拱桥受力与普通拱桥有所不同.