There is much less index access and no index AND'ing so that the overall performance can be one or two order of magnitude better - depending on predicate selectivity.

只有相当少的索引访问且没有索引 AND'ing，这样整体性能将提高一个或两个数量级 —— 取决于谓词选择。

youdao

The agency wants any spaceships flying its astronauts to be an order of magnitude safer than the space shuttles, which are being retired in 2011 after two or possibly three missions.

对任何承载航空航天局的航天员去太空的飞船，都必须比执行2或3次任务后在2011年即将结束服役的航天飞机高一个安全等级。

youdao

However, on two test machines, the installed DBMS turned out to be dumbdbm and dbhash, both of which produce absurdly inflated databases (an order of magnitude bigger than ZPickleIndexer).

然而，在两台测试机上安装的dbm产生了dumbdbm和dbhash，两者荒唐地生成了膨胀的数据库(其规模比zpickleindexer还大)。

youdao

On a later reciprocal visit, Lee in turn saw, to no surprise, that China was similarly flowering--only by an order or two of magnitude, on a Chinese scale.

FORBES: Autumn of the Tigers

And to get to these forecast numbers amidst a sea of generics and competing ADHD franchises (like Adderall), the price has to be an order of magnitude, or more likely two orders, higher than generic or even branded generic versions.

FORBES: NextWave of Pharma Innovation?