bottlenecks

听听怎么读

[ˈbɔtlˌneks]

是什么意思

瓶颈( bottleneck的名词复数 )；瓶颈路段（常引起交通堵塞）；（尤指工商业发展的）瓶颈；阻碍

英英释义

bottleneck

n.
- a narrowing that reduces the flow through a channel
  同义词：constrictionchokepoint
- the narrow part of a bottle near the top
v.
- slow down or impede by creating an obstruction
  "His laziness has bottlenecked our efforts to reform the system"
- become narrow, like a bottleneck
  "Right by the bridge, the road bottlenecks"

学习怎么用

词组短语

bottleneck problem瓶颈问题

双语例句

用作名词(n.)

TV talk show has entered a bottleneck period, gradually chug.
目前电视谈话节目已经进入了一个瓶颈期，问题逐渐彰显。

权威例句

Estimating allelic richness: Effects of sample size and bottlenecks
The importance of bottlenecks in protein networks: correlation with gene essentiality and expression dynamics.
Hatching Failure Increases with Severity of Population Bottlenecks in Birds
A new end-to-end probing and analysis method for estimating bandwidth bottlenecks
Usefulness of molecular markers for detecting population bottlenecks via monitoring genetic change.
Distortion of allele frequency distributions provides a test for recent population bottlenecks.
A simplified theory of kinematic waves in highway traffic, part II: Queueing at freeway bottlenecks
Description and power analysis of two tests for detecting recent population bottlenecks from allele frequency data.
Cornuet JM, Luikart G. Description and evaluation of two tests for detecting recent bottlenecks. Genetics 144: 2001-2014
Techno‐Economic Evaluation of Producing Ethanol from Softwood: Comparison of SSF and SHF and Identification of Bottlenecks

b开头的单词