查询词典 null

When an attempt to access an object is made, and the reference to that object is null, a NullPointerException will be thrown.

当创建了一个试图访问一个对象和空对象的引用时，一个NullPointerException将被抛出。

If you do not set the opener property to null, the window1 object remains, even though it's no longer really needed.

如果不这样的话，会使浏览器持续的保留每个opener的值，直至资源耗尽。

Adjust and animate a null object as you would any other layer.

当你要其他阶层时，调整及驱动无效的物体

The async result object is null or of an unexpected type.

异步结果对象为空或属于意外类型。

If we now rerun the code to traverse all cars and their sensor readings, we are again confronted with the same problem that we had before, we end up with some leaves of our object graph being null.

如果我们重新运行代码来遍历所有的赛车以及它们的感应器读数，那么我们将遭遇和前面一样的问题，我们获得的对象图表中的某些叶子节点为null。

Returns the value of the named attribute as an Object, or null if no attribute of the given name exists.

返回name指定的属性值为一个对象，如果指定属性不存在，则返回null。

Nbsp;If we now rerun the code to traverse all cars and their sensor readings, we are again confronted with the same problem that we had before, we end up with some leaves of our object graph being null.

如果我们重新运行代码来遍历所有的赛车以及它们的传感器，那么我们将遭遇和前面一样的问题，我们获得的对象图表中的某些叶子节点为null。

A value can be a string in double quotes, or a number, or true or false or null, or an object or an array.

值可以是一个字符串放在双引号中，或一个数字，或真或假或无效，或者是一个对象或一个数组。

Each document has a DOCTYPE attribute that whose value is either null or a DocumentType object.

每个文档都包含一个DOCTYPE属性，该属性值可以是一个空值或是一个DocumentType对象。

Always provide a null lease for a singleton object.

总是为一扎对象提供一个null租约。

He has to relate with three women in the movie, and yet remain implicitly faithful to the unseen Lucinda.

让克劳德布里亚里成功地饰演试验了一个难度很大的角色：和三个女人打交道，但还要底下对观众未曾谋面的卢馨达保持忠诚。

The experiment was conducted to study effects of inulin on the growth performance, indices of immune organs and serum immunoglobulin of laying chicklings as well as the performance of inulin which replaced the antibiotics in diets by adding 0.2%, 0.4% and 0.8% of inulin, respectively.

试验旨在通过在蛋用雏鸡日粮中添加0.2%、0.4%和0.8%的菊粉，研究菊粉对蛋雏鸡生长性能、免疫器官指数和血清免疫球蛋白的影响，以及菊粉替代抗生素对蛋雏鸡的应用效果。