变旧
4.(of pages) worn or soiled by thumb and fingers by frequent handling or turning.
5.Printing presses, the main capital outlay for newspapers, last for decades and are depreciating peacefully with little need for new cash.
7.When it turns warm, new plants will be reproduced from the roots of the parent ones.
10.the thesis carries on the discussing of the key problems in the effects of shrinkage and creep using this programme, the analysis indicates the differences between the new code and old code, the second effects of creep have great influences on the structure, the time steps while calculating the effects of shrinkage and creep should be reasonable, and the end time of shrinkage and creep is related to the idiographic types of structure.
