国外有淘宝之类:翻译英语

1. Carbon combines with oxygen form carbon oxides.

2. If A is equal to D, A plus B equals D plus B.
3.This experience has been obtained in the realm of far less stringent operational requirements and conditions , particularly in regard to power dissipation.
4.Based upon the relationship between magnetism and electricity are motors and generators.
5. Development of military weapons
The skills applied to war by the mechanical engineer are similar to those required in civilian applications, though the purpose is to enhance destructive power rather than to raise creative efficiency. The demands of war have channelled huge resources into technical fields. However, and led to developments that have profound benefits in peace. Jet aircraft and nuclear reactors are notable examples

1.The motor used to spin the floppy disk is usually a motor whose speed is precisely controlled by negative feedback.
2.It is also possible to have either a centrally located data base directly that is frequently updated, to keep files or records locked, or both, to avoid concurrent updates or interference.
3.Carbon and graphite exhibit properties similar to those of ceramics with two major exceptions. They are electrically and thermally conductive.
4.Our country exploded its first atom bomb in 1964.
5.Although man’s earliest forebears probably knew about, and observed, the effects of cold, ice and snow on their bodies and on things a round them_ such as the meat they brought home from the hunt_ it is not until we reach the early history of China that we find any reference to the use of these natural refrigeration phenomena to improve the lives of people, and then only for the cooling of beverages.