几个

His concept is that you use the dugs which may induce mutation as early as several months or sometimes several weeks, that's why he has to check the DNA mutations, but there are now some drugs available who are OK for 5 years. If so, why you have to worry about mutation by performing expensive DNA frequency.

Keeffe教授的概念是指如果你所使用的药物是在用药几周或者几个月后就会引起突变的话，在这种情况下就需要检测HBV DNA，而对于5年耐药率都很低的药物来说，就没有必要如此频繁地进行昂贵的检测了。

A few years ago we punished according to law some exponents of liberalization who broke the law.

前几年，我们不是对那几个搞自由化并且触犯了刑律的人依法处理了吗

Kaeshi learned fan dance first hand from Chinese dance masters as a teenager, and toured throughout multiple cities in Australia dancing with the "Chinese Youth League".

Kaeshi在还是10几岁的时候就直接师从中国舞蹈界泰斗，学习扇子舞。并且游历了澳大利亚几个城市与中国青年团跳舞。

For inexpensive eating throughout your trip, there are several options: if you're able to, you can bring one or a few made-at-home bag lunches, look for and seek out food cart vendors, or stay at a hotel that offers kitchenettes.

廉价吃整个行程，有几种选择：如果你能，你可以把一个或几个发在家包午餐，寻找和寻找食物车供应商，或住在一间酒店，提供厨房。

With 200 million farming households and 500,000 food-producing companies, information about new science often doesn't trickle out to remote areas for months or years, if ever.

中国有2亿农户和50万家食品加工公司，有关农业新科技的信息往往几个月甚至几年都无法传达到边远地区。

In other parts of China where major earthquakes have been preceded by foreshocks, unusual behavior in rats, fish, and snakes were observed as early as three days prior to the earthquake, but continuing to several hours, or even a few minutes before.

在中国其他地区，大地震之前通常伴有前震，那儿的老鼠、鱼、蛇等动物的异常行为则早在地震发生三天前就有所表现，这种现象会一直持续到地震前几个小时甚至几分钟。

In the preceding months changes in land elevation and in ground water levels, widespread reports of peculiar animal behavior, and many foreshocks had led to a lower-level warning.

在此前几个月里，陆地高度和地下水位的变化、关于动物反常行为的大量报告以及几次前震已经对此作了低级别警报。

Mining gold flash can wait for thousands of years, and our life, there are several spring and autumn?

金子的挖掘闪现可以等待几千年，而我们人生有几个春秋？

SHe has a few grandsons a few years older than I am, very comfortable to be with.

她家里有几个比我大几岁的孙子，很会带着我玩。

Everything made of wood, hide, wool, linen, grass, hair, and similar materials will decay and vanish in dust in a few years or centuries, save under very exceptional conditions.

任何由木头，生皮，绒线，亚麻，草，毛发以及相似物质做成的东西除非在一些非常特殊的条件下，几年或几个世纪以后，会在尘土中腐烂并消失。

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。