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心肌细胞的形态特点为
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心肌细胞的结构特点为
I’m happy to take this opportunity to introduce our training programs and hope this information will be of help to you. All our programs are designed to enable local staff and management to quire (1)____and develop foreign language abilities.The present program is planned to begin on April 4, andfnish one April 8. We expect the (2)____ for the trainees will be five days at least. That is, the trainees should arrive on the evening of April 3 and leave in the afternoon of April 8.One of the unique aspects of our programs is that courses are designed with materials that can meet the trainees (3)______ , and meet the needs of their companies. We combine English training with (4)_______ in such areas as secretarial, marketing, negotiation and human resources management. Candidates for training (5)________through comprehensive testing.
A variety of different______(控制系统) are used to accomplish this, ranging from simple clockwork mechanisms to sophisticated computerized control and coordination systems that self-adjust to minimize delay to people using the road.
Aside from movable parts, ________ (电气继电器) are also used.
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