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- In electronic detectors such as photomultipliers and television tubes, noise manifests itself as random fluctuations in the output current. 对于光电倍增管，电视摄像管之类的电子探测器，噪声则表现为输出电流的随机起伏。
- To determine whether these variations in seismicity levels are random fluctuations or real physical phenomena, objective testing of unambiguously stated hypotheses is required6 . 为确定地震活动性中的这些变化是否是随机偶然的波动，还是真实的物理学现象，对不含糊指明的假说有必要进行有目标的试验90。”
- In addition, openness of thought system becomes its prerequisite, nonlinear mechanism its inner for, halation, and random fluctuation its direct inducement. 随机涨落是创造性思维产生的直接诱因。
- Soiled dishes were piled at random. 脏碟子胡乱地堆放着。
- These fluctuations are random in nature. 这种波动的性质是任意随机的。
- Forecasting the requirements of electricity in rural area is an important work for county electric power supply enterprises with obviously random fluctuation, closely related to Gross National Product and the requirements of electricity last year. 摘要农村用电量预测是县级供电部门的重要工作之一，其受国民生产总值和上年度用电量的影响，具有一定的随机性。
- By setting up a basic evolution equation, analyses the operating mechanism and characters of the system in terms of non-stability, diversity (bifurcation), catastrophe and random fluctuation. 建立了系统的基本演化方程，并据此分析说明了知识创新系统的不稳定性、多样性、分岔、突变以及随机“涨落”等特征和作用机制。
- Abstract： Random fluctuation of turbulence brings random fluctuation of refractive index and makes atmosphere become a random fluctuation medium, which destroys the coherence of light-wave. 摘 要： 大气湍流对光波传播的影响主要是由于大气随机起伏的湍流引起折射率的随机起伏，破坏了光波的相干性。
- In the simulator, sum-difference beams method based on point scatterer echo model which includes the random fluctuation character of object radar cross section is used to simulate target echo. 对于目标回波的模拟，本文在考虑目标雷达散射截面积起伏特性的基础上，采用基于点散射体回波信号模型的和差波束法来实现。
- There are fluctuations in the state of his health. 他的健康状况时好时坏。
- Fluctuations in temperatures put their results oat by a mile. 由于温度起伏不定，他们的测验结果很不准确。
- Influence of simultaneous random fluctuations of gain and density on beam quality of flow-type gas lasers 增益及密度同时作随机起伏对流动型气体激光器光束质量的影响
- The librarian took a book at random from the shelf. 图书管理员从书架上随便拿了一本书。
- random fluctuation of angularspeed 随机转速
- Random mating within a breeding population. 自由交配在一个育种群中自由交配
- Chose a card at random from the deck. 从一副牌中任意选出一张
- By mere chance or fortune; at random. 碰巧; 胡乱地; 随意地
- Fluctuations are spatial and temporal in character. 这种波动的特点是空间性和瞬时性的。
- Turbulence or gusts produce velocity fluctuations. 紊乱性或阵息性使速度产生波动。
- Resistance levels made by market fluctuations. 市场波动的阻力水平。
