Simplicity is an uprightness of soul that has no reference to self; it is different from sincerity, and it is a still higher virtue.
单纯是灵魂中一种正直无私的素质，它与真诚不同，比真诚更高尚。
Main component self-compare without calibration factor can also be used when there is no impurity reference substance.
当没有杂质对照品时，也可采用不加校正因子的主成分自身对照法。
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