年代

The studies of McCarthyism in America have gone through three stages. From 1950s to the middle of 1970s is the starting stage. The prosperous stage which I called is from the middle of 1970s to 1990s. In this period, great achievements have been made and some relevant problems have been studied. After 1990s, though the passionate of the studies of McCarthyism has relatively passed, it is still a focus the scholars paid attention to.

美国史学界对麦卡锡主义的研究可分为三个阶段。20世纪50～70年代中期是起步阶段。20世纪70年代中期～90年代初期取得重大成果，相关问题的研究在这一时期展开，可以说是对麦卡锡主义研究的繁荣阶段；20世纪90年代以后对麦卡锡主义研究的热情相对减弱，但仍是学者们关注的焦点。

The interannual variation of winter negative accumulated temperature can be denoted in three periods of time: cold winters from the middle 1960s to the early 1970s; the transitional period of alternate cold and worm winters from the middle 1970s to the late 1980s; worm winters in the 1990s.

冬季负积温的年际变化呈现3个时段，20世纪60年中期到70年代初为冷冬时段，70年代中期到80年代末为冷冬与暖冬交替出现的过渡时段，90年代后至今为暖冬时段。

Form the alliance of the 50's China and Soviet to 60-70's comprehensive resistances, from the normalization of relation of China and Soviet Union at the end of the 80's to the 90's healthy development of the China and Russia good neighborliness and friendliness relations, China and Russia has finally entered into the stablest, healthiest and friendliest time in both country's history.

从50年代的中苏结盟到六七十年代的全面对抗，从80年代末的中苏关系正常化到90年代以来中俄睦邻友好关系的健康发展，经历风风雨雨的中俄关系终于迎来了两国历史上最稳定、最健康、最友好的一个时期。

It is significant that while there is a word profiteer to stigmatize those who make allegedly excessive profits, there is no such word as "wageer"—or losseer.

书后注：根据经济学家沃伊泰克使用的数据，20世纪60年代和70年代，企业税前利润平均为10～12%。80年代降至不足8%，90年代回升至9%左右。

Dr San Baw's use of ivory was, at least in Burma during the 1960s, 1970s and 1980s (before the illicit ivory trade became rampant starting around the early 1990s) cheaper than metal.

圣博士的BAW使用象牙是，至少在缅甸在1960年代， 70年代和80年代（前成为非法象牙贸易猖獗开始围绕20世纪90年代初）较金属。

In American Politics: The Promise of Disharmony (1981), Huntington identifies four moments of "creedal passion" in American history: the Revolutionary era, the ages of Jacksonianism and Progressivism, and the 1960s.

在（1981）这部书里，亨廷顿确定了美国历史上有四次&信念激情&期：独立战争年代、杰克逊主义年代*、进步主义年代*和二十世纪六十年代。

Study on the driving forces of land use/cover temporal-spatial change. On the basis of the systematical study on natural and social-ecomic factors including climate, population, technology and affluence status etc. during the past 50 years in this area, the multivariate statistics simulation models of LUCC were developed for two periods of 1950's-1980's and 1986-2000 respectively. Then, the Thiesson polygon method was used to the spatial allocation of soci-economic factors, thereby the spatial relationship between land use degree change and socieconomic factor variation was detected within GIS. Based on the analysis of the integrative characters in different geographical divisions, the electivity index was employed to describe the possible impacts of the natural landscape structure on spatial differentiation of land use transition. At last, correlation analysis between major roads and the distribution of land use change was made.

分析近50年气候资料和人文因子在不同年代的变化特点，系统地研究了气温和降水等自然因子和人口、农牧业发展、经济状况等人文因子对区域土地利用变化的影响；从时间序列的角度分析了50年代至80年代初和80年代中期至2000年两个时段土地利用／土地覆被变化的驱动因子，在相关分析的基础上，分时段建立了区域土地利用／覆被变化的自然-人文影响统计诊断模型；针对不同经济类型区选择典型县，分析近15年土地利用变化外在人文驱动力的区域相似性和差异性；尝试以THIESSEN多边形方法进行社会经济统计数据的空间化处理，探讨了土地利用程度变化与人文因素变化的空间相关关系；以优先指数模型和土地利用类型转化率与距交通干线距离的相关模型分析了景观自然与人文结构对土地利用空间转化过程的影响。

While the 1950s and '60s saw a great expansion of universities, the 1970s and '80s saw rapid growth in postsecondary, nonuniversity education in provincially funded colleges.

然而在20世纪50年代和60年代看到了大学的大发展，20世纪70年代和80年代看到了在中学，非大学教育以及省级资助的大学的发展的快速增长。

Mr.Zhang Renjian was a famons patriotist geologist,who was a pioneer in the development of mining industry of north western part of China in the 1920s and a pathbreaker,organizer and leader from the 1930s to the 1940s in the geological work in Henan Province;he was also a meritorious worker in the establishment of Xuanhua School of Geology in the 1950s.

张人鉴先生是爱国的有贡献的老一辈地质学家。他是 2 0世纪 2 0年代开发大西北矿业的先驱；30年代至 40年代河南地质工作的开拓者、组织者及领导人；50年代创建宣化地质学校的功臣

Viewing from the first world championship won by Rong Guotuan, to the growing up in the world, then to the recovery, development, and innovation in 1970s, till the 1980s when Chinese team took all seven gold meddles in World Championship Tournament, Chinese table tennis team has made remarkable achievements though there was some decline in their performance in 37th and 38th World Championship with only six cups.

综观中国乒乓球队的征战史，从50年代末容国团夺得第一个世界冠军，60年代崛起于世界乒坛，70年代恢复、发展、创新，80年代初囊括世乒赛全部七项冠军，到1983年的37届、1985年的38届捧回六个奖杯，成绩虽有所下降，但总的趋势是长盛不衰的，这在世界乒乓球运动史上是从未有过的。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷