The class has made noticeable improvement.

这个班已有引人注目的进步。

《新英汉大辞典》

This is an improvement over having to write a class any time an anonymous inner class is needed and can help keep the code more self-documenting.

相比于每个匿名内部类都要对应一个类的做法来说，这种方式是个极大的改进，同时也使得代码的可读性更好。

youdao

One final improvement I want to make on this dynamic class is to use member variables to access the fields, instead of the clunky get_ and set_ operators.

对这个动态类我想做的最后一个改进，是用成员变量访问字段，而不是用笨重的get _和set _操作符。

youdao

Since unemployment among young college graduates still shows no improvement, the class of 2011 will likely face the highest unemployment rate for young college graduates since the Great Recession began, the Economic Policy Instiute reported in April.

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Overall, the main benefit of this new class of hepatitis C treatments is the improvement in sustained viral load or SVR, according to the docs surveyed.

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