你会发现这是他它的第一卷，并且第二卷也值得去读：微积分卷2：多远微分与与线性代数及其应用。
You may want to note that this is the first volume, and that the second volume is also worth getting: Calculus, vol. 2: Multi-Variable Calculus and Linear Algebra with Applications.
计算机科学和工程科学是工业界需要人才的仅有的两个领域，因此这两个行当还是值得去读个博士出来的。
D. has a very good job at 27 computer science and engineering are the few fields in which industrial demand makes it sensible to get a Ph.
但是如果读研究生的真正原因只是延缓入职压力，或者找不到工作后的万不得已做法，那么这就完全不值得去读了。
But if the real reason is to delay the job search or as a last resort after failing to secure a job, then it is not going to be a worthwhile exercise.
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