In any machines, the work it does will be less than the energysupplied to it.
在任何一台机器中，它所做的功总是小于给它提供的能量。
2
Much of the energysupplied to complicated machine with many moving parts is wasted in overcoming this opposition.
供给一台具有许多可转动部件的复杂机器的能量，有很多是在克服阻力中损耗掉了。
3
The chronic energy shortages Armenia suffered in the early and mid-1990s have been offset by the energysupplied by one of its nuclear power plants at Metsamor.