例句與造句

1. In quantum mechanics, a "'sum rule "'is a formula for transitions between energy levels, in which the sum of the transition strengths is expressed in a simple form.
2. :: A minor ( but important ) quibble & mdash; " quanta " ( singular " quantum " ) are discrete packets of energy ( generally associated with transitions between energy levels ), not the energy levels themselves.
3. The two additional assumptions that "'[ 1 ] "'this X-ray line came from a transition between energy levels with quantum numbers 1 and 2, and "'[ 2 ] "', that the atomic number when used in the formula for atoms heavier than hydrogen, should be diminished by 1, to.
4. It's difficult to find transition between energy levels in a sentence. 用transition between energy levels造句挺難的