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| Subject | Chinese | English |
| bot. | 光周期现象 | photoperiodism |
| agric. | 光周期现象 | photoperiodic phenomena |
| agric. | 光周期现象 | photoperiodism (photoperiodismus) |
| agric. | 光周期现象 | photoperiodicity (photoperiodicitas) |
| bot. | 光周期现象 | photoperiodicity |
| agric. | 季节性光周期现象 | seasonal photoperiodism |
| agric. | 昼夜光周期现象 | diurnal photoperiodism |