standard chromatic diagram

例句：

1. 1.The standard for measuring the length of a ruler is 20 cm.
   测量尺的标准长度是20厘米。
2. 2. The company's standard operating procedures are well-defined.
   公司的标准化操作程序已经明确。
3. 3.The new standard for energy efficiency has been set.
   新的能源效率标准已经设定。
4. 1. The chromatic nature of the painting is striking.
   这幅画的色彩鲜明，引人注目。
5. 2. The chromatic spectrum is made up of different wavelengths of light.
   色光谱是由不同波长的光组成的。
6. 3. The chromatic balance in the room was perfect.
   房间内的色平衡非常完美。