This is just the origin of bottleneck problems of current search engine.

这正是现今搜索引擎瓶颈的源头。

youdao

As mentioned above, with the rapid increase of web pages, some bottleneck problems in coverage and update interval of current search engine have become very obvious.

正如前面所说的那样，随着网页数量的快速增长，在覆盖面和更新间隔上的瓶颈变得十分明显。

youdao

Google is already working on an update to its current search engine.

BBC: Microsoft increases search share

Khera says his company will retain its current site search engine and compare how the two work together.

CNN: New search engine promises real answers

The current version of the search engine can do both basic Web searches and image searches.

FORBES: Yahoo Gets Into The Mobile Browser Business With Axis