任务是认识和探讨体育教学现象和特征。

The task is to know and probe into P. E. teaching phenomenon and characteristic.

youdao

但是对于很多任务来说，我们很难知道该提取哪些特征。

However, for many tasks, it is difficult to know what features should be extracted.

youdao

但是对于很多任务来说，我们很难知道该提取哪些特征。

However, for many tasks, it is difficult to know what features should be extracted.

youdao