④染色体平衡易位及其它罕见原因，小于1%。的翻译：④ balanced translocation of chromosomes and other rare causes, is less than 1%. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

④ and other rare chromosomal balanced translocation reasons, less than 1%.

④ balanced translocation of chromosomes and other rare causes, is less than 1%.

④The chromosome balance transposition and other rare reasons, are smaller than 1%.

Chromosomes 4 and other rare causes borderlands balance, less than 1 per cent.

④ balanced translocation of chromosomes and other rare causes, is less than 1%.