If it weren't for Rachel Carson, the environmental movement might not exist today ．

"And we cannot accept persons who do not exist."

"我们不能接受不存在的人。"

For other environments, this memory set does not exist.

对于其他环境，这种内存集不存在。

The addict often reads disapproval into people's reactions to him even where it does not exist

这个瘾君子经常把别人对他的反应当作反感他的意思，即使别人并没有那个意思。

Surgery did not exist and other stress situations.

均不存在手术及其他应激情况。

Portfolio Management, as a discipline, does not exist in isolation.

项目组合管理，作为一个规程，不是孤立存在的。

Registry read failure, this registry key might not exist.

注册表读取失败，此注册表键可能不存在。

The requested object does not exist on this server.

在此服务器上不存在请求的对象。

It fails, since a group called staff does not exist.

它出现了失败，是因为称为staff的组并不存在。

The map does not exist and hence cannot be set as primary.

地图不存在所以不能设成基本地图。

If one or more of the equations are violated, then V does not exist.

如果方程中的一个或多个不被满足，则v不存在。

In physics the concept of a noninteracting particle does not exist.

在物理学的概念里，没有不发生相互作用的粒子。

If you don't have email, that means you do not exist.

如果你没有电子邮件，那就意味着你是不存在的。

Unfortunately, such perfect market does not exist.

但是，实际上，这样的市场并不存在。

Target file or data that it refers to does not exist.

它引用的目标文件或数据不存在。

If the database does not exist, an empty database is created.

如果该数据库不存在，则创建一个空数据库。

Returns an error if the key does not exist.

如果键不存在，就返回错误。

The replication reference information for the target server does not exist.

目标服务器的复制参考信息不存在。

The operator told him the person did not exist.

接线员告诉他，没这个人。

The time between update calls does not exist.

而更新调用之间的时间间隔也不存在。

The number you dialed does not exist, please check it and dial later.

您所拨打的号码是空号, 请查对后再拨.