what？FPKM和RPKMs错了？

刚刚对RNA_Seq分析的转录本均一化定量，FPKM、 RPKM、TPM，有一个简单的了解，看到网上有博文说FPKM和RPKM都错了。我现在还不能完全明白。
【参考】
https://www.jianshu.com/p/35e861b76486
http://www.biotrainee.com/thread-1028-1-1.html
https://blog.csdn.net/sixu_9days/article/details/80896807
【参考文献】：
A comprehensive evaluation of normalization methods for Illumina high-throughput RNA sequencing data analysis（https://academic.oup.com/bib/article/14/6/671/189645
）
Measurement of mRNA abundance using RNA-seq data: RPKM measure is inconsistent among samples（https://link.springer.com/article/10.1007%2Fs12064-012-0162-3
）