The static Current property uses the Stack.Peek method to return the T instance at the top of the stack if one exists, returning null if the Stack is empty.

静态 Current 属性使用 Stack.Peek 方法返回位于堆栈顶端的 T 实例（如果存在），如果 Stack 为空则返回空。

youdao

We may not know what type t represents, but we know that the null literal is a valid value for any reference type.

我们可能不知道t类型代表什么，但我们知道null字母对任何引用类型而言是一个空值。

youdao

With the geometric information in combination with null-field, T-matrix of arbitrary- shaped particle can be found.

将几何信息导入零场方程得到任意粒子的散射的T矩阵。

youdao

Furthermore, the bills are null for the moment since they didn't pass the House as presently constituted.

CNN: Countdown to spending cuts: A matter of hours

You are right, the Milankovitch forcing argument is ONLY A NULL HYPOTHESIS. I hope I haven't argued anything more than that.

WSJ: Climate Emails: Science and Candor