一年一次的

Narrator:On September 3rd 1973, at 6:28pm and 32 seconds, a bluebottle flycapable of 14,670 wing beats a minute landed on Rue St Vincent,Montmartre.

画外音：在1973年9月3日下午6点28分32秒，一只青蝇以每分钟能够扇动14，670次的频率降落到蒙马特的RueSt-Vincent。

The first use of cappuccino in English is recorded in 1948 in a work about San Francisco.

Cappuccino 在英语中的第一次使用记载于1948年一本关于圣弗朗西斯科的著作中

She looked forward to the occasional visits of the minister, Robert Ayers, who was a Methodist circuit rider.

她盼望着卫理公会教派骑马巡回的罗伯特埃亚牧师的偶然造一年有三，四次在田地里或小库房进行。

Perhaps he was thinking of that far-away time--little better than five years ago, in fact; but such an age gone by to him--when he first met the woman for whom he had worn crape round his hat three days before.

也许他正在想到遥远的过去——事实上，也不过是五年多以前；但对他说来，如此年华是悄悄逝去了——当时他第一次遇到了他三天前还为她在帽子上戴一圈黑经纱的女人。

If this is all sounding creepily familiar, it is probably because so far, all of this is exactly what NYU researcher Jeff Han has been demonstrating for a year and a half now. I've written about it several times on my Pogue's Posts blog.

如果这一切听起来诡异的熟悉，那大概是因为到目前为止，这些都是纽约大学研究员Jeff Han已经实验了一年半，我已经在我的Pogue's Posts blog上写过好几次。

The Ni-based extensive hydrogenation catalyst and the process developed by us were applied to the industrial equipment with an annual production capacity of 20 thousand tons of foaming agents in the Meilong Cyclopentane Co., Ltd of Jilin Chemical Industry Co., Ltd. In 2002, the feed and trial was successful with one attempt and produced high-quality cyclopentane foaming agents.

我们开发的 Ni 系深度加氢催化剂及其工艺在吉林化学工业公司美龙环戊烷公司年产2万吨发泡剂工业装置上应用，于2002年一次投料试车成功，生产出高质量的环戊烷发泡剂。

This year, after the decennial census that will confirm the huge growth of America's Hispanic population, this influence will become both evident and normal in even more parts of the country.

今年，在十年一次的人口普查确认美国西裔人口的大幅增长之后，这种影响将在全国更多地方变得既显著又正常。

On April 13 , 1969 , local merchants and residents held a meeting to discuss possible uses for the derelict site.

在4月13日，1969年，当地的商人和居民举行了一次会议，以讨论废弃的网站可能使用。

The company novint for the first time presented the device by name falcon in the past year.

该公司novint为第一次介绍了该装置的名称猎鹰在过去的一年里。

In the United States,elections for President are held every four years.

在美国，总统的选举是每四年举办一次的。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐