The system is based on the spread of the primary tumor (t), the extent of lymph node involvement (n), and the presence or absence of metastases (m).

系统包括三个部分：原发肿瘤的扩散程度(t)；淋巴结的转移程度(N)和是否有了其他器官的转移(M)。

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In all in a series VALUESTAR N it will be released three new models, which are characterized by the model of processor, by the capacity of hard disk and by the presence of digital TV- tuner.

在所有在一系列的Valuestar n ，它将会被释放了三款新机型，其特点是由模型的处理器，由容量硬盘和在场的数字电视调谐器。

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Thus when we make an investigation of lens opacity of occupational injure or select students, pay attention to the presence of dots opacity n the lens of normal eyes.

当作职业性晶状体损害调查及挑选学员时应注意健眼有此种“晶状体点混”的存在。

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Unarmed military observers will be the only U.N. presence on the ground, in a city surrounded by Serb guns.

CNN: U.N. troops attacked leaving Gorazde

He said the presence of U.N. observers on the ground will be essential to verify the cessation of violence.

CNN: STORY HIGHLIGHTS

But doubts on Gorazde's future grow as the U.N. presence there dwindles.

CNN: U.N. troops attacked leaving Gorazde