These instance variables are only used if the other two sources of username and password are null, and are not reset after each use, so they can potentially be used on every request.
如果用户名和密码的其他两个来源为空，并且在每次使用后不能重新设置，则只能使用这些实例变量，所以每个请求都可能会使用它们。
These instance variables are not reset and, if they are not null, are used to provide the username and password on every request.
这些实例变量不能重新设置，如果它们不为空，则用于为每个请求提供用户名和密码。
Unlike instance variables, class variables are associated with all objects of a particular class and not with individual objects.
与实例变量不同的是，类变量与该类所有的对象关联在一起而非某个特定的对象。
Accessing arrays, instance variables, and object references are not supported as of now.
目前不支持访问数组、实例变量和对象引用。
Ensure that the following db2 instance variables are set, if not add it using db2set command.
确保设置了以下db 2实例变量，如果没有，使用db2set命令添加它。
Not only are the variables private but they are private to the particular instance of the Converter class.
这些变量不仅是私有的，而且只属于converter类的特定实例。
The AppConfig: : State instance is not passed to VALIDATE subroutines, so we can't access other variables in our configuration easily.
State实例没有被传递到validate子例程，所以我们不能容易地访问配置中的其它变量。
You start by filling out the instance variables, constructor, and some helper methods that are not specific to Lotus Sametime.
首先需要填充实例变量、构造器和一些帮助器方法，这些内容并非特定于Lotus Sametime。
Because Ruby does not require instance variable declaration, the simplest way to model instance variables is with a hash.
由于Ruby并不需要声明实例变量，因此建模实例变量最简单的方式就是使用散列。
You should not use your instance constructors, some special private function, or any other idiom to initialize static variables.
不应该使用实例构造函数、一些特殊的私有方法、任何其它习惯来初始化静态变量。
Dummy variables can only describe the discrete changes of price index, for instance, using dummy variables in sales off-season can not provide upper precision estimating result.
价格指数的变化是连续性的，而虚拟变量只能描述价格指数的离散变化，比如在销售淡季虚拟变量法就不能提供精度较高的分析结果。
It's not a problem if 1st instance is already halfway done when the second just starts, their local variables are not related to each other.
如果第一个实例已经完成一半了，第二刚开始那就不是个问题，他们的局部变量互不相关。
They do not compare the values of two objects; they check only to determine whether two object variables refer to the same object instance.
它们不会比较两个物件的值，检查的目的只是判断两个物件变数是否参考同一个物件执行个体。
The instance variables have not yet received any values and therefore have a value of nil (no reference).
由于实例变量还没有接受到任何的赋值，所以就有一个NULL的数值(没有参考索引)。
The instance variables have not yet received any values and therefore have a value of nil (no reference).
由于实例变量还没有接受到任何的赋值，所以就有一个NULL的数值(没有参考索引)。
应用推荐