您要查找的是不是：
- Results Telomerase activity was detectable in HeLa，K562and breast cancer cells were positive，5of24tumor-adjacent tissue samples were light positive and19samples were negtive. 端粒酶的激活能够补偿进行性缩短的端粒重复序列，稳定端粒长度使细胞永生化甚至转化为无限增殖的癌细胞，发生肿瘤[1，2]。
- First, calculate the vector between the vertex in it's world position and the light position. 首先，计算顶点在世界位置及光源位置之间的矢量。
- They are two different light position. Right one is low light position, giving the audience a feeling of mystery; Left is middle-high position, giving a feeling of common life. 这两幅图用了两种不同位置的灯光。右图是低位光,产生的是神秘的感觉;而右图是最常用的中位光,接近于日常生活。
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- In the ballet dance performances and so on, in order to balance the actors, often in the back of the auditorium equipped with a red light positioning, the light on them, like a locator. 在芭蕾舞等舞蹈演出中，演员们为了平衡，往往会在观众席的后面装上一盏红色的定位灯，这盏灯对他们而言就像一个定位仪。
- The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Now I begin to see light on their good intentions. 现在我对他们的良好动机开始有所领会了。
- The bright light of the car dazzled me. 这汽车的灯光使我目眩。
- He turned off the dash light and drove on. 他关掉仪表板上的灯，继续驱车前进。
- The light was diffused by the leaves. 树叶使光线漫射。
- I grope for the light switch in the dark room. 我在黑洞洞的屋里摸索著寻找电灯开关。
- The light bulb in the kitchen burnt out. 厨房里的电灯泡烧坏了。
- A strong light impinged on his eyes. 一道强烈的光刺着他的眼睛。
- He can see a glimmer of light through the curtain. 他能透过窗帘看到一丝微光。
- She runs up the stairs with a light graceful step. 她以轻快优雅的步子奔上楼去。
- We troubled him to turn on the light. 我们麻烦他打开电灯。
- A crepehanger usually sees life in a gloomy light. 悲观者常以沮丧态度来看人生。
- I can't read while you are standing in my light. 你挡住了我的光线，我没法看书。
- He do not throw much fresh light on the subject. 关于这个问题他没有提供很多新的见解。
