瓶颈期

For me it took the form of my first, and I hope only, encounter with writer´s block—I was not able to produce anything for three years.

这是我第一次，我希望也是唯一一次，遇到作家瓶颈期——我有三年没写出任何东西。

Third, the world will go through a bottleneck period in pursuing development.

三是发展瓶颈期。

Abstract: At present, China is seeing very significant bottlenecks for apiculture.

摘要：目前，我国养蜂业发展遭遇瓶颈期。

Sometimes there unsalable goods, turnover is not high, seems to have a bottleneck in the period.

有时候商品出现滞销，营业额不高，似乎已经处于一个瓶颈期。

It may be that in the rebound after the bottleneck, the slight hazardousness of these SNPs did not make much difference.

可能是在瓶颈期过后，群体数量回升时，数量很少的危险SNPs并没有多少作用。