几个例子:
Marburg Vaccine Effective on Infected Monkeys
Nanoparticles Effective in Killing Cancer
Cheaper Silicon Found Effective for Solar Cells
所以要根据具体情况而定
几个例子:
Marburg Vaccine Effective on Infected Monkeys
Nanoparticles Effective in Killing Cancer
Cheaper Silicon Found Effective for Solar Cells
所以要根据具体情况而定