bottleneck

UK:  ['bɒt(ə)l.nek]

US:  ['bɑt(ə)l.nek]

复数：bottlenecks  

n.

1.瓶颈口;(交通易堵塞的)隘道,狭口;〔美国〕(特指生产中的)妨碍进度的因素,薄弱环节

2.〔地〕瓶颈谷,峡谷

3.影响生产流程的因素

4.涌塞现象

adj.

1.(街道等)狭隘的

v.

1.阻碍,限制

2.交通堵塞

3.阻挠,搁置

1 . From beginning to end to break the bottleneck caused sino-japanese relations what are the factors.
从始至终造成中日关系难以突破瓶颈的因素是什么。

2 . Thus, the recommendation is to slow down all non-bottleneck operations before trying to speed the bottlenecks up.
因此，推荐做法是：在试图提升瓶颈速度之前，先放慢所有非瓶颈操作的速度。

3 . Resources are easy to justify when a key bottleneck is found and performance can be improved by a large factor.
如果找到了关键的瓶颈，性能可以得到很大改进，那么增加资源就是很值得的。

4 . In subsequent installments, I'll describe in detail these same utilities as you attempt to determine your bottleneck and tune your servers.
在后续部分，我将详细说明这些实用工具，以帮助您确定系统的瓶颈和优化服务器。

5 . The main bottleneck, they argue, could be the production of rare earth metals such as neodymium, which is often used in making magnets.
他们争论的主要难题是，稀土金属如钕的生产通常用来制作磁铁。