Repelled by light;exhibiting a negative phototactic or phototropic response. 避光的，怕光的被光排斥的;表现为阴性趋光的或趋光反应的
Drawn to light;exhibiting a positive phototactic or phototropic response. 正趋光性的，光正性的吸光的:显示出阳性趋光的或趋光性反应的
Repelled by light; exhibiting a negative phototactic or phototropic response. 避光的，怕光的被光排斥的；表现为阴性趋光的或趋光反应的
Drawn to light; exhibiting a positive phototactic or phototropic response. 正趋光性的，光正性的吸光的：显示出阳性趋光的或趋光性反应的
After the tranistion from dark to light adaptation, the colour light that causes the highest phototactic ratio moves towards yellow and green colour light.2. 由暗适应向明适应过渡后,引起趋光率最高的颜色光移向黄、绿色光。
