这个练习需要更多技巧，因为要按照分组和周期将数据排列成常见的格式，所以需要某些具有想像力的代码，不能简单地将各部分放在固定的位置。
What about the entire periodic table? That exercise is trickier because you have to arrange the data into the familiar format based on group and period, which requires some fancy coding.
因为我要在考试前有限的时间内学习，所以我决定集中大部分时间和精力去复习数学技巧和做练习题。
Because I had a limited time to study before taking the test, I decided to focus most of my time and energy on reviewing math skills and doing practice problems.
同时你还可以通过加拿大大部分社区都提供的材料和辅导，练习并掌握书中所介绍的技巧。
The techniques described here may be learned and practiced using the materials and know-how available in most communities in Canada.
初步概念到此告一段落，我们现在可以开始练习的课程。快速获得技巧的秘诀就是掌握一些窍门，把困难的部分变为容易弹奏。
The secret for acquiring technique quickly lies in knowing certain tricks for reducing impossibly difficult passages to not only playable but often to trivially simple ones.
初步概念到此告一段落，我们现在可以开始练习的课程。快速获得技巧的秘诀就是掌握一些窍门，把困难的部分变为容易弹奏。
The secret for acquiring technique quickly lies in knowing certain tricks for reducing impossibly difficult passages to not only playable but often to trivially simple ones.
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