To meet the requirements of a socialist market economy and to follow the basic rules laid down by GATT, China has taken significant steps to reform its policy o
【正】 Beams of C<sub>2</sub><sup>+</sup>-C<sub>8</sub><sup>+</sup> clusters have been accelerated to 3 MeV in 1.7 MV tandemaccelerator.The beam intensity of sm
Established in 1991,thecompany exclusively produces andmanages numerical control lathesmajored at processing centres ofvarious specifications.It has a verygood
According to statistics from the China Toothpaste Industry Association, there are 40 tooth-paste factories with 12,000 employees. In 1994, the total output of t