The response of an organism to changes in its photoperiod, especially as indicated by vital processes.
光周期现象生物在暴露于阳光期间对变化产生的反应，尤指通过生物过程显示出来的反应
For experimental purposes, scientists originally assumed that photoperiodism worked through photosynthesis.
为了进行实验，科学家们最初曾经设想，光周期现象可能是通过光合作用实现的。
FDTD Numerical Analysis of Extraordinary Optical Transmission in Nano-Scale Periodic Metallic Structures;
纳米尺度周期性金属结构异常光传输现象的FDTD数值分析
Elliptical Polarized Single-Cycle THz Pulse Generated by Femtosecond Laser Filamentation in Air
空气飞秒激光成丝现象中产生的椭圆偏振单周期太赫兹脉冲
Quantities and units of periodic and related phenomena
GB3102.2-1993周期及其有关现象的量和单位
Mount Baker periodically heats up internally.
贝克山有周期性内部发热现象。
Non-periodic Sensitivity" in Substantia Nigra Compacta Neurons;
黑质致密部神经元的“非周期敏感”现象
On the Dynamic and Periodical Phenomenon in the Process of Enterprises’Production and Marketing;
企业生产经营过程中的动态周期现象
A particular stage in a periodic process or phenomenon.
相，周相周期性的过程或现象中的特殊阶段
Present status and expectation of long-period fiber grating sensor
长周期光纤光栅传感器研究现状与展望
Cyclic fluctuation is a common phenomenon in the economic development.
周期波动是经济发展过程中的常见现象。
Period-doubling gait and chaotic gait of biped walking model
双足模型步行中的倍周期步态和混沌步态现象
Long period wave occurred to cooling water intake channel of nuclear power stations
滨海核电站取水渠长周期波动现象及其消减
Simulation of Coexisting Attractors of Inner Period-window in Switching Converter
开关变换器周期窗内吸引子共存现象仿真研究
Economic dislocations such as "the Panic of 1837" occurred periodically during the 19th century.
十九世纪曾周期性地发生象“一八三七年恐慌”那样的经济失调现象。
The time interval between two successive occurrences of a recurrent event or phases of an event;a cycle.
周期两个连续出现或反复出现的现象或事件间的时间间隔；周期循环
a flashing light synchronized with the periodic movement of an object makes it appear stationary.
带有物体的周期运动的闪光使得它固定地出现。
To move in or as if in a cycle.
周期地或者好象周期性地运动.