2013级科技英语语法测试2范围.docVIP

分析下列划线的黑体词的功能。 1. Because the field has grown so big and exhibits such a diversity, we have had to omit a great deal of material both of a fundamental nature and of a specialized nature. 2. Neither the instantaneous nor average values of an AC voltage or current is used in calculating the amount of power delivered to a resistance load. 3. Whitney has invented molds and machines for making all the pieces of his locks as exactly equal that take a hundred locks to pieces and mingle their parts and the hundred parts may be put together by taking the pieces that come to hand. 4. Early involvement and participation of team members adds their expertise during the planning process and strengthens their commitment to the project. 5. The early universe is believed to have contained mainly hydrogen （氢气）， with perhaps a little helium （氦气）, and the more complicated elements are believed to have been manufactured by nuclear reactions in the interiors（内部）of certain short-lived stars during the later phases of their evolution. 6. When a rocket is launched from the earth’s surface, the thrust of its engines must exceed its weight for it to rise from the ground. 7. Since the digital computer operates on digital rather than analog data, a fundamental “language” problem arises which requires the conversion of analog quantities into digital representations（数字表示法）. 8. It is important for the reader to learn and understand the basic concepts presented here, or the development and applications of later topics will be difficult to comprehend. 9. Program management is defined as the centralized coordinated management of a program to achieve the program’s strategic objectives and benefits. 10. Geothermal energy, or energy from within the earth, can be used to generate electricity. 11. By sharing your children’s curiosity, you can give them a valuable lesson that extends far beyond the realm to experiment, in the face of difficulties. 12. It is clear that the reason we refer to this as the