Standard addition method and internal standard method
内标标准加入法
standard of aroma type and standard sample
标准和标样
Amplitude error and phase error in channel
信道幅度和相位误差
Error Analysis and Error correction
误差校正
orbit error or star calendar error
星历误差(轨道误差)
Li is an important theory category in Carving the Dragon .There are lots of Li in Carving the Dragon and they are standard of measuring writers and work.The article illumistrates by the way of writers