从那时以来，应用算术家乐成地措置惩罚了数日体学上的不懂的题目。

Since then, applied mathematicians have been coping successfully with many problems in astronony.

youdao

从那时以来，应用算术家乐成地措置惩罚了数日体学上的不懂的题目。

Since then, applied mathematicians have been coping successfully with many problems in astronony.

youdao