1. For each song, Wang recorded only the peak and trough of frequency in every 10-millisecond segment. ����ÿһ���г���10����Ϊ��λ�����Σ�ֻ¼����Ƶ�ʵIJ���Ͳ��ȡ�
2. This paper derives the shaping curve equations in the transition section of the deep-trough belt conveyor for arranging the idlers reasonably. ����۽������ͻ����ɶεij������߷��̽����Ƶ���ʹ֮�������������й����������ݡ�
3. He disappeared into his tunnel, pushing the goose egg in front of him. He pushed and nudged till he succeeded in rolling it to his lair under the trough. ˵�꣬��������ö�쵰��ʧ���Լ���ͨ�����Ŭ������ǰ������ö����ֱ�������ƽ����Լ�����������ʳ�۵��µĶ�Ѩ��
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n.
1. a narrow depression (as in the earth or between ocean waves or in the ocean bed)
2. a channel along the eaves or on the roof; collects and carries away rainwater
3. a concave shape with an open top
4. a treasury for government funds
5. a long narrow shallow receptacle
6. a container (usually in a barn or stable) from which cattle or horses feed
�ɿ�Ӣ�� - 划词释义
