注意：对于PFTBA特定的质量数，有目标相对丰度。系统调谐结果尽可能靠近表4所列丰度要求。

NOTE: There are target relative abundances for certain PFTBA masses. The system will come as close as possible to the values shown in Table 4.

youdao

注意：对于PFTBA特定的质量数，有目标相对丰度。系统调谐结果尽可能靠近表4所列丰度要求。

NOTE: There are target relative abundances for certain PFTBA masses. The system will come as close as possible to the values shown in Table 4.

youdao