Strongly reachable: an object that can be accessed by a strong reference.
强可及对象(strongly reachable)：可以通过强引用访问的对象。
You must remember that to make use of these classes you cannot maintain a strong reference to the object.
您必须记住，要使用这些类，您就不能保留对对象的强引用。
The recreateIt() method re-creates the object, but it is referenced by a WeakReference, not a strong reference.
recreateIt()方法将重新创建该对象，但它会被 WeakReference引用，而不是强引用。
In addition, the new reference classes all represent a "weaker" form of a reference than the typical strong reference.
此外，这几个新的引用类都表现出比典型的强引用“更弱”的引用形式。
Before the reference classes were introduced, only strong references were available. For example, the following line of code shows a strong reference, obj.
在引入引用类之前，我们只能使用强引用(strong reference)。
If you access an instance variable by value, a strong reference is made to the variable.
如果你通过值访问了一个实例变量，就对变量建立一个强引用。
Objects that listen for this event should keep a strong reference to their event handler to avoid it being garbage collected.
侦听此事件的对象应保留对其事件处理程序的强引用，以避免对它进行垃圾回收。
The results showed that the established finite element model was close to the actual situation, and had strong reference value.
说明本文所建立的有限元的计算模型是接近实际情况的，有较强的参考意义。
Based on the above advantages, corporate credit rating is the result of investors to invest in a strong reference to the decision-making.
基于以上优点，企业资信评级结果是投资者进行投资决策时的有力参考。
Research results are not only used for the controlling of water inrush in Jijiapo Tunnel, but also have strong reference value for avoiding and controlling similar disasters.
研究成果不仅成功应用于季家坡隧道突水灾害处治，对于避免类似突水事故的发生和灾害防治亦有较强的借鉴意义。
For it to work, you need to find another object whose lifecycle is exactly the lifecycle of your listener and arrange for it to hold the strong reference to your listener, which is not always easy.
要让它工作，需要找到另外一个对象，它的生命周期恰好是侦听器的生命周期，并安排它持有对侦听器的强引用，这可不是件容易的事。
It also gives a detailed analysis of properties of various kinds of stock and cracking yield status, which has strong reference significance to increase the source of cracked stock in similar units.
详细分析了各种原料的性质和裂解收率情况，对于同类装置增加裂解原料来源具有较好的借鉴意义。
When you copy an object reference using an ordinary (strong) reference, you constrain the lifetime of the referent to be at least as long as that of the copied reference.
用一个普通的(强)引用拷贝一个对象引用时，限制referent的生命周期至少与被拷贝的引用的生命周期一样长。
When you copy an object reference using an ordinary (strong) reference, you constrain the lifetime of the referent to be at least as long as that of the copied reference.
用一个普通的(强)引用拷贝一个对象引用时，限制referent的生命周期至少与被拷贝的引用的生命周期一样长。
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