peak area的用法和样例：
例句
- There will always be enough pentane in the syringe to leave a small peak on the chromatogram.
利用适当峰的峰面积，可以计算在每一种馏份和原油中的香芹酮和柠檬烯的含量。 - This method can only be applied to roughly test impurity content of test samples due to relatively big deviation produced by peak area normalization method.
由于峰面积归一化法测定误差大，因此，本法通常只能用于粗略考察供试品中的杂质含量。
