首次的

Studied the crack control of this type aqueduct first time.

首次研究了三向预应力多侧墙渡槽槽身的裂缝控制。

To our knowledge, it is the first example of cubic Fe nanostructure prepared in aqueous solution.

这是首次在水溶液体系中得到立方形Fe纳米粒子的例子。

I will also think about Armstrong's first moonwalk.

我也会想起阿姆斯特朗的首次登月。

"Asparagine :One of the nonessential amino acids, widely distributed in plant protein s and closely related to aspartic acid. First isolated in 1806 from asparagus, it is used in medicine and biochemical research"

天门冬醯胺：一种非必需氨基酸，广泛存在于各种植物蛋白质中，与天门冬氨酸密切相关。1806年首次由文竹分离得到，用于医学和生化方面的研究。

"Asparagine :One of the nonessential amino acids, widely distributed in plant proteins and closely related to aspartic acid. First isolated in 1806 from asparagus, it is used in medicine and biochemical research"

天门冬醯胺：一种非必需氨基酸，广泛存在于各种植物蛋白质中，与天门冬氨酸密切相关。1806年首次由文竹分离得到，用于医学和生化方面的研究。

Asparagine :One of the nonessential amino acids, widely distributed in plant proteins and closely

天门冬醯胺：一种非必需氨基酸，广泛存在于各种植物蛋白质中，与天门冬氨酸密切相关。1806年首次由文竹分离得到，用于医学和生化方面的研究。

When two surfaces first slide against each other under load, many of these asperities are remoed, producing a high initial wear rate referred to as the "wearing-in" period.

当两个表面在负荷状态下首次接触滑动时，许多突起可脱落造成较高的初始磨损率，称为磨合期。

But Lee Harvey Oswald would never have had the chance to kill Kennedy in Dallas, had an assassination plot in Chicago succeeded three weeks earlier, a plot that has been mentioned over the years.

在甘乃迪总统遇刺44周年之际，一名前特勤人员首次公开透露，甘乃迪在达拉斯遇刺前三周，芝加哥也有刺杀甘乃迪的阴谋。

Involved in various China State-owned enterprises audit and asset valuation engagement s in China, Hong Kong and Mongolia for the purpose of initial public offering in the market

对中国、香港和蒙古的各类型国营企业进行审计及资产评估，以便于其在市场首次公开销售证券。

Involved in various China State-owned enterprises audit and asset valuation engagements in China, Hong Kong and Mongolia for the purpose of initial public offering in the market

对中国、香港和蒙古的各类型国营企业进行审计及资产评估，以便于其在市场首次公开销售证券。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。