n. 校准( calibrate的名词复数 ); 使标准化; 使合标准; 测量（枪的）口径

v. 校准( calibrate的第三人称单数 ); 使标准化; 使合标准; 测量（枪的）口径

v make fine adjustments or divide into marked intervals for optimal measuring

v mark (the scale of a measuring instrument) so that it can be read in the desired units

v measure the caliber of