校正: check; correction; adjust; revise; proofread and correct; rectify; calibrate; make true; master check; [航空; 航海] correcting; adjustment; amendment; updating; zeroing-in; rectification; trim
阶: 名词1.(台阶) steps; stairs 短语和例子石阶 stone stairs; 台阶 a flight of steps2.(等级) rank 短语和例子军阶 military rank3.[医学] (耳蜗的三个螺旋管的任一个) scala 短语和例子中阶 scala media4.[数学] order 短语和例子非整数阶 non-integral order;
