采用钱德拉新数据，估计N49的年龄约为5千年，其爆炸的威力大约是一般超新星爆炸的两倍。根据这些初步结果推测，初始的爆炸是一个巨大的恒星崩溃造成的。
Using the new Chandra data, the age of N49 is thought to be about 5,000 years and the energy of the explosion is estimated to be about twice that of an average supernova.
估计已经有100多个用于网络分析的程序，这些程序也被称为链接分析或者推测性分析。
By one estimate there are more than 100 programs for network analysis, also known as link analysis or predictive analysis.
你也希望根据那些特性打开新的推断特性的选项，这允许编译器通过估计右值表达式去推测出局部变量的申明类型。
You'll also want to turn on the new Option infer feature. This allows the compiler to infer local variable type declarations by evaluating the right-hand side of the expression.
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