If this file does not exist, your module will not show up in the module listings.
如果这个文件不存在，那么模块就不会显示在模块列表中。
It is hard to imagine that our world as we know it, and all that is familiar to us, would likely not exist if not for the Moon.
很难想象，如果不是月球，我们现在所知的这个世界，以及对我们来说非常熟悉的一切，很可能不存在。
The second method accepts a boolean argument that determines whether or not a new Session will be created if it does not yet exist.
第二个方法接受一个布尔参数，这个参数用于判定会话不存在时是否创建新会话。
Unlike the required attribute, the MANDATORY attribute will not start a transaction if one does not exist, but rather will throw an exception indicating that a transaction is required.
与REQUIRED属性不同，MANDATORY属性将不会开始不存在的事务，而是抛出一个异常，指示需要事务。
So I think there are a lot of issues which would not exist in a positive way if Europe did not exist.
要是没有欧盟在的话，很多有利的条件都不会存在。
If the URI does not exist in the internal hash table, a null is returned.
如果内部哈希表中没有URI，将返回空值。
Create the tables (if they do not already exist).
创建表(如果还不存在的话)。
If he does not exist, everything depends on us.
如果他不存在，一切将由我们而定。
That amounts to clarifying the premise: "If God does not exist, I am god, " which still remains rather obscure.
这等于说是澄清了一个仍然相当晦涩的前提假设：“如果上帝不存在，我就是神。”
If the world were clear, art would not exist.
如果世界是清晰的，艺术则不会存在。
The first command creates the database (if it does not exist already) as well as a table with two columns, an issue number, and a title.
第一个命令创建数据库(如果数据库还不存在的话)和一个表，这个表包含两列——期号和标题。
If one does not exist, a SQL0286N error will be returned to the user or application.
如果不存在这样的标空间，则将向用户或应用程序返回SQL 0286n错误。
You need to create this file if it does not exist.
如果这个文件不存在，就需要创建它。
If one does not exist, the container supplies one.
如果不存在，则容器提供一个事务。
If the row does not exist, then the row will be ignored and logged in the exception table.
如果这一行不存在，那么该行将被忽略，并且被记录到异常表中。
If the socket does not exist, or cannot be opened, the client attempts to spawn a server.
如果该套接字不存在，或者不能打开，客户端将尝试不停地访问服务器。
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。
Create a new project (or use an existing project) to hold the OVF envelope files if one does not already exist.
创建一个新项目(或使用已有项目)来保存ovf信封文件(如果不存在的话)。
If the file does not exist, the installation application creates it.
如果此文件不存在，安装程序会创建它。
This may be a catalyst for initiating an enterprise data quality initiative in the organization if one does not already exist.
对于还没有企业数据质量计划的组织，这可能是启动一个企业数据质量计划的催化剂。
A template can create tables during realization if those tables do not exist on target servers.
在实现期间，如果一些表不在目标服务器上，模板可以创建这些表。
If the path does not exist, the script will attempt to create it.
如果上述路径不存在，脚本将尝试创建它。
If this package does not already exist, it is created.
如果这个包已经不存在，就创建一个。
If it does not exist, just accept the default value to create it.
如果不存在，只需要接受默认值就可以创建。
If the task does not exist in the new version, you cannot migrate to that process version.
如果在新版本中没有这个任务，就不能迁移这个过程版本。
Because we're not passing a full path, this will be created as a subdirectory of the current working directory (if it does not already exist).
因为我们没有传递完整的路径，所以它会在当前目录下创建一个子目录(如果它还不存在的话)。
This announcement is usually intoned solemnly, as if information did not exist in other ages.
人们经常庄严宣颂这个声明，就好像在其他的时代不存在信息一样。
The next block creates the backup directory if it does not exist.
下一个块在备份目录不存在时创建该目录。
The next block creates the backup directory if it does not exist.
下一个块在备份目录不存在时创建该目录。
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