每两年

With computer doubling in speed and power every couple of years, and with genetic engineering's dazzling feats growing more and more routine, the battered American faith in technological progress has been growing stronger and giddier of late.

随着电脑的速度与功能每两年就增加一倍，基因工程领域中惊人的成就变得司空见惯，美国人在科技发展方面备受击的信心，近年来已逐渐增强，并有异常乐观的趋势。

Eg:With computers doubling in speed and power every couple of years, and with genetic engineering's dazzling feats growing more and more routine, the battered American faith in technological progress has been growing stronger and giddier of late.

随着电脑的速度和功能每两年就增加一倍，基因工程领域惊人的的成就就变得司空见惯，美国人在科技发展方面备受打击的信心，近年来已逐渐增强，并有异常乐观的趋势。

With computers doubling in speed and power every couple of years and with genetic engineering's dazzling feats growing more and more routine, the battered American faith in technologic progress has been growing stronger and giddier of late.

随着电脑的速度与功能每两年就增加一倍，基因工程领域中惊人的成就变得司空见惯，美国人在科技发展方面备受打击的信心，近年来已逐渐增强，并有异常乐观的趋势。

Stunning dz 令人目眩神移的 dz With computers doubling in speed and power every couple of years and with genetic engineering's dazzling feats growing more and more routine, the battered American faith in technologic progress has been growing stronger and giddier of late.

TIME， May 27， 1996， p.67 随着电脑的速度与功能每两年就增加一倍，基因工程领域中惊人的成就变得司空见惯，美国人在科技发展方面备受打击的信心，近年来已逐渐增强，并有异常乐观的趋势。

Dz 令人目眩神移的 dz stunning With computers doubling in speed and power every couple of years and with genetic engineering's dazzling feats growing more and more routine, the battered American faith in technologic progress has been growing stronger and giddier of late.

TIME， May 27， 1996， p.67 随着电脑的速度与功能每两年就增加一倍，基因工程领域中惊人的成就变得司空见惯，美国 Chapter1 简易词形容词，副词 3 人在科技发展方面备受打击的信心，近年来已逐渐增强，并有异常乐观的趋势。

Dz 令人目眩神移的 dz stunning With computers doubling in speed and power every couple of years and with genetic engineering's dazzling feats growing more and more routine, the battered American faith in technologic progress has been growing stronger and giddier of late.

TIME， May 27， 1996， p.67 随着电脑的速度与功能每两年就增加一倍，基因工程领域中惊人的成就变得司空见惯，美国人在科技发展方面备受打击的信心，近年来已逐渐增强，并有异常乐观的趋势。

Dz 令人目眩神移的stunning dz With computers doubling in speed and power every couple of years and with genetic engineering's dazzling feats growing more and more routine, the battered American faith in technologic progress has been growing stronger and giddier of late.

TIME， May 27， 1996， p.67 随着电脑的速度与功能每两年就增加一倍，基因工程领域中惊人的成就变得司空见惯，美国人在科技发展方面备受打击的信心，近年来已逐渐增强，并有异常乐观的趋势。

They could store their food in granaries, and still afford to give birth every two years, if not more often.

他们可以把食物存于仓廪，供养得起每两年生一个孩子，如果说不是常常生得更多的话。

It is recommended that it be flushed and refilled every two years or 60,000 miles.

建议每两年或者60，000英里更换一次。

He resurfaces every couple years and we have most amazing three days together.

每两年才露一次面，我们都要在一起享受美好的三天。

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