求翻译：本项目针对目前晚期结直肠癌治疗效果差，且易发生转移和复发的难点，根据目前国际上公认的肿瘤干细胞起源学说为理论依据，通过对肿瘤干细胞生物学特性的分析，是什么意思？

This project for late colorectal cancer treatment is poor, and prone to metastasis and recurrence of difficulty, according to internationally recognized cancer stem cell theory of the origin of the theoretical basis, the analysis of biological characteristics of cancer stem cells.

This project in the context of the current late colorectal cancer treatment, and transfer to the pain and recurrence, in accordance with the current internationally recognized tumor stem cell origin theory is based on theory, through the tumor stem cell biology, and analysis features of the

This project is bad in view of the present later period colon cancer treatment result, also easy to have the difficulty which shifts and recurs, on international recognizes the tumor stem cell origin theory according to at present is the theory basis, through to tumor stem cell biology characteristi

This project is currently in advanced colorectal cancer treatment ineffective and prone to metastasis and recurrence of difficulties, according to the cancer stem cell theory of the origin of the now internationally recognized as a theoretical basis, through the analysis of biological characteristic

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