Conclusion: It was a heavy and complicated work for the microscopic counting method and the result was not very precise.
结论：显微镜直接计数方法操作较烦琐，重复性稍差。
The difference of two systems is that the microscopic photon counting image system is a noise limited system.
二者的区别在于显微光子计数成像系统是噪声受限系统。
Methods: HUVEC were incubated in vitro. The extract was identified to stimulate the proliferation of HUVEC by XTT assay and microscopic cell counting;
方法：采用体外培养HUVEC的方法，通过XTT法以及细胞计数法观察对细胞的增殖作用；
Methods: HUVEC were incubated in vitro. The extract was identified to stimulate the proliferation of HUVEC by XTT assay and microscopic cell counting;
方法：采用体外培养HUVEC的方法，通过XTT法以及细胞计数法观察对细胞的增殖作用；
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