世纪初

The phenomenon of stochastic resonance in an RC series circuit, whose time constant is fluctuated by asymmetric dichotomous noise, is investigated.

随机共振的概念是在20世纪80年代初提出的，用于解释第四纪全球气象冰川问题[1-2]。

The first generation of barracks were underground bunkers built with cements and reinforced concretes in the early 1970s; the second generation of barracks became blockhouses with sleeping quarters built on the ground, which are used as warehouses now; the third and fourth generations of barracks were modernized barracks, but they too have been turned into memorial halls and rooms of honor; the fifth generation is an innovatively designed three-storied building, in which spring beds has replaced the Chinese heatable brick beds and large boiler has replaced old-typed stove.

走进院内，一栋错落有致的三层小阁楼展现眼前，这已是哨所的第五代营房。五代营房忠实地记录着30多年的风雨历史。第一代营房是上个世纪70年代初用水泥钢筋浇铸的地下工事；第二代营房是地面上修筑的炮楼带宿舍的住房，现在已做了仓库；第三代、第四代营房是现代制式营房，但也变成了纪念馆、荣誉室；第五代营房是设计新颖的三层楼房，室内的钢丝床代替了小火炕，大锅炉代替了土炉子，暖气烧得热乎乎。

From the beginning of the Reform of Stock System in the state-owned enterprises in 1990s, The ESO was adopted as a new form of enterprise welfare system, and nowadays was emphasized for it's value of inspiriting mechanism.

我国上世纪九十年代开始的国有企业股份制改革，将员工持股定位为一种新的企业福利制度；本世纪初，则更强调其作为激励机制的价值。

By the extent of space scarcity deepened when the extent of industrial agglomeration increased,the game behaviors between local organizaions and enterprises three periods:unordered spatial development from late seventy decade to early ninty decade,insufficent space supply in intermedial and late ninty decade,then badly insufficent space in new century.

随着产业集聚程度的不断提升引起空间稀缺程度加深，地方组织在与企业的空间博弈行为，经历了70年代末到90年代初空间无序开发，到90年代中后期的空间供给不足，然后到新世纪空间极度紧缺的三个时期。

One worrying parallel is the Japanophobia of the 1980s and early 1990s.

同样令人恐慌的案例是发生于20世纪80年代和90年代初的恐日症。

From the Independence until the 1990s, the Nehruite paradigm of development had for long been domi nant.

自独立到20世纪90年代初。印度主要推行了尼赫鲁经济发展模式。

The aqueous method desulphurization application early method is the ammonia washes the neutrodyne system, overseas has appeared the ADA law since on century the beginning of 50's, our country also successively develops has developed improvement desulphurization technologies and so on ADA law, MSQ law, KCS law as well as tannin extract law.

湿法脱硫应用较早的方法是氨洗中和法，自从上世纪50年代初国外出现ADA法以来，我国也先后研制开发了改良型ADA法、MSQ法、KCS法以及栲胶法等脱硫技术。

The first wells were drilled into the Ogallala during the drought years of the early 1930's.

20世纪30年代初，奥加拉拉正处于干旱时期，人们打出了第一口井。

However, companies didn't overinvest in the last upswing, mainly because they still remembered the capex boom and bust of the late 1990s and early 2000s.

不过，在上轮经济繁荣周期中企业部门并未出现过度投资问题，主要是由于它们尚未忘记上世纪90年代末和本世纪初资本支出由盛转衰的教训。

In the late 1960s and early 1970s, Verner Panton experimented with designing entire environments: radical and psychedelic interiors that were an ensemble of his curved furniture, wall upholstering, textiles and lighting.

在20世纪60年代末和70年代初，维尔纳潘顿实验设计整个环境：激进和迷幻的内部是一个整体，他弯曲的家具，墙上upholstering ，纺织品和照明。

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。