缩小；限制；减少；变窄

narrow down───缩小；限制；减少；变窄

narrowed down───缩小；限制；减少；变窄

narrows down───缩小；限制；减少；变窄

throwing down───推翻；扔掉

blowing down───吹除；停炉；停风

bowing down───鞠躬

burrowing owl───穴鴞

marking down───记下；减价；降低分数

mowing down───割倒；摧毁；残杀

They focused on 12 genes for which all four patients carried variants, eventually narrowing down their candidate genes to one.───他们聚焦于全部四位患者都携带变异体的12个基因，最终将候选基因缩小至1个。

Determining the identity of the attacker was a matter of narrowing down the line of potential suspects.───确定攻击者的身份需要逐渐缩小一连串嫌疑人的范围。

this narrowing down is largely in place by about twelve months of age.───这种敏感范围的缩小，大约发生在婴儿十二个月大的时候。

Rarely do they serve as gatekeepers in the sense of significantly narrowing down the stories to be disseminated from among those available.───很少有这样做他们作为守门的意义上的显著减少下来这个故事被分布在那些可供选择。

For scientists, the best method for narrowing down a person's age is a combination of five weighted factors known as the Complex Method.───对于科学家来说，五位称测法（又称复合法）是测定一个人的年龄的最佳方式。

Besides narrowing down the field, vertical-interest sites often offer useful services as well.───除了缩小集中视野外，垂直兴趣网站通常还能提供有用的服务。

Narrowing down career paths in the diverse Warhammer universe was an extremely difficult task.───在战锤这个丰富多彩的世界背景下要限制职业发展方向是项艰难的任务。

Then you can continue narrowing down to determine which package, class, and, finally, which method is causing the problem.───然后您可以继续进行分析，把范围缩减到哪个包、类，直到找到导致问题的方法。

PSN status update: We're narrowing down the issue and continue to work to restore service to all. Updates as soon as we have them.───PSN情况更新：我们正在排除因素并且继续维护服务器，我们会尽快更新。

We are narrowing down the exact value of this but until then, the distant estimates using this technique are often have some big error margins!

This narrowing down of the focus of the original control theory seems to constitute a switch of attention from offenders to situations.

If the application also uses tier information or Geohash information, then these values can be used for better narrowing down the number of documents to search.