英汉双语例句-生物医药大词典

In the 1950s their population numbered in the thousands.

中文意思：
在50年代初长江白鱀豚的数目为以千计。

以下为相关句子列表(点击查看，可以看对应的解释）：

	In the 1940's Brandt found an old Kodak box camera with a wide-angle lens focused on infinity and began using it to photograph nudes.			在本世纪四十年代，他找到了一架有广角镜、可以无限聚焦的旧式柯达箱形照相机，于是就开始用它来拍摄裸体。
	In the 1940s Tang Shi brings up the term of new-born generationand summaries their works academically.			摘要唐湜在20世纪40年代就提出了“新生代”概念，并对其进行了学术总结。
	In the 1950's an engineer by the name of Walter Kaadan was consulted by motorcycle racers asking him to help them squeeze more power and speed out of their motorcycles.			一位名叫瓦特卡登的工程师,于1950年代成为赛车手们谘询如何帮助他们的赛车拥有更强的爆发力及速度的对象.
	In the 1950's, Captain Mott joined the Navy's research &development community and played a major role in deploying missile technology aboard U.S. warships.			1950年代，莫特上校加入了海军研究和发展学会，并在美国军舰上发展导弹技术方面担当一个主要的角色。
	In the 1950s Interstate 35, which runs from Texas to Minnesota, was built a mile away.			20世纪50年代，从得克萨斯州到明尼苏达州的35号州际公路，就建在离小镇一英里开外处。
	In the 1950s their population numbered in the thousands.			在50年代初长江白鱀豚的数目为以千计。
	In the 1950s, a group of far-sighted people from the British business community overcame one obstacle after another, and made the famous ice-breaking trip to China, thus starting business exchanges with the newly-founded People's Republic.			上个世纪50年代，英国工商界一些有识之士冲破重重阻力，进行了著名的“破冰之旅”，开启了同新中国的经贸往来。
	In the 1950s, the country music recording industry was set up in Nashville and moved away from its rough roots.			到了20世纪50年代，乡村音乐唱片工业在纳什维尔建立起来，摆脱了起源时的不成体系。
	In the 1957 gentleman's final, a Mrs. Helen Jarvis invaded the court, shouting and waving a banner calling for a new world banking system.			在1957年的男单决赛中，一位名叫海伦·贾维斯的女士突然闯进球场，在场内为呼吁建立新的世界银行体系摇旗呐喊。
	In the 1960's, Bell Telephone Laboratories had occasion to investigate lightning transient damage that occurred at a number of their highly automated telephone Central Office sites.			在60年代，贝尔实验室曾对它们一些高度自动化的电话中心现场因雷击电涌造成的损坏进行了调查。
	In the 1960s Russian physicist Victor Veselago noted that in a material where both those quantities are negative, the refractive index will also be negative.			1960年代，俄国物理学家维斯拉格就曾提出，材料的这两个系数如果均为负，其折射率也将为负。