世纪初

We divide the development of communicative structural theory in Russian linguistics into two stages. The first stage is from the early 50"s of 20th century to the end of 70"s.

我们将交际结构理论在俄语语言学中的发展划分为两个阶段：第一阶段是从二十世纪50年代初至70年代末，这一阶段的研究主要是围绕交际结构自身理论体系的建构展开的。

Also in the early 1980s, science fiction writer Jerry Pournelle was an editor and columnist for Survive, a survivalist magazine, and he was considered influential in the survivalist movement.[11] Ragnar Benson's 1982 book Live Off The Land In The City And Country suggested rural survival retreats as both a preparedness measure and as a conscious change of lifestyle.

另外，在20世纪80年代初，科幻小说作家杰里Pournelle是一个生存杂志的编辑和专栏作家，他被认为是有影响力的生存运动倡导者。1982年，拉格纳班森图书指出：一个靠土地生存的城市和国家离不开农村的生存防备措施，并倡导将其作为一个有意识的改变生活方式的措施。

At the beginning of 2009, many predicted that the financial crisis would be compounded by protectionist measures mirroring the 1930s, when the Smoot Hawley Tariff Act turned the Wall Street Crash into a decade long depression.

在2009年之初，许多人预言金融危机将由于贸易保护主义措施而加剧，正如二十世纪三十年代《斯姆特－霍利关税法》使华尔街危机演变成长期的衰退那样。

Still, in the early 1990s, says Mr Shaimiev, probably without exaggeration, demands for Tatar sovereignty threatened the integrity of the whole Russian federation.

然而，沙伊米耶夫认为——他可能并没有夸大其词——二十世纪九十年代初鞑靼追求独立的要求威胁到了整个俄罗斯联邦的完整性。

Since 1960s, the lack of natural resources has become one of the prominent problems in the world.

自二十世纪六十年代初以来，自然资源短缺已经成为世界上面临的主要问题之一。

The general theory of backward stochastic differential equations has been de-veloped only recently, beginning in the early 1990s.

倒向随机微分方程的一般理论只是最近才发展起来的，它始于上个世纪九十年代初。

Ever since Professor Pawlaks proposal of rough sets theory in early 1980s, it has been developed rapidly.

粗糙集理论自上世纪80年代初由Pawlak教授提出以来，发展十分迅速。

Toland Williams and SPA Group have been cooperating since 1990s in many projects in Asia Pacific Region.

Toland Williams与恒泽集团自上世纪90年代初以来在澳洲及亚太地区有着广泛的合作。

Schiff bases of 3 amino 1H 1,2,4 Triazole and new Schiff bases of 5 amino 1H 1,2,3,4 Tetrazole have been synthesized.

20世纪 80年代初，芳杂环的Schiff碱具有高的植物激素活性的发现[1] ，引起了化学家的重视。

Undoubtedly, the Multicultural policy first put forward by the Trudeau government in 1970s and perfected in the next 30 years gives an impetus to it.

毋庸置疑，特鲁多政府于上世纪70年代初首创的多元文化政策以及其后三十多年的不断丰富与完善，对于扭转土著政策的指导思想起到了推波助澜的作用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。