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- variable ratio schedule 不定率程序
- schedule of reinforcement in variable ratio 可变比率强化时间表
- The fixed ratio schedule was the first one Skinner discovered: If the rat presses the pedal three times, say, he gets a goodie.Or five times.Or twenty times.Or “x” times. 斯金纳还将自己的强化理论推广到教育心理学领域，他提出了一种新型的教育模式，并研制设计出了新型的教学机器。
- The structure and the ratio characteristics of the automobile ball recirculating steering gears with the variable ratio have been analysed. 分析了汽车循环球式变速比转向器的结构和速比特性；
- The results of experiments in the field showed that the method was competent for variable ratio fertilizing in precision agriculture. 田间试验结果表明：提出的资料获取与处理方法可以满足精确农业自动变数施肥机进行田间施肥作业的要求。
- The meshing between the rack on ball nut and the gear sector on stub shaft in ballrecirculating steering gear with variable ratio is discussed systematically. 对变速比循环球式转向器齿条齿扇传动副的啮合问题进行了系统的探讨。
- The global positioning system (GPS) was used to collect the field outline properties, and to supply timing positioning information for the variable ratio fertilizing. 使用全球定位系统(GPS)采集耕作地块轮廓属性，并在田间施肥作业时，为施肥机提供即时位置资讯。
- Pathologically, atypical large, midium-size and small lymphocytes with variable ratio rounded the lipocytes like rosettes and were confluent to small patchs or foci or formed a reticular pattern. 病理上瘤细胞由异型的大、中、小淋巴细胞以不同比例围绕脂肪细胞呈花环状排列，融合成小片状或灶状呈网格状分布。
- variable ratio frequency changer 可变频率比变频器
- CVRT Continuously Variable Ratio Transmission 无级调速变速器
- Steering gear with variable ratio 变传动比转向器
- expanding system of variable ratio 变倍光学系统
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- The prices are variable, shop around by all means. 价格高低不一，所以一定要货比三家逐店选购。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- DISCRIMINATIVE STIMULUS EFFECTS OF MORPHINE IN PIGEON UNDER A FIXED - RATIO SCHEDULE OF REINFORCEMENT 固定比率食物强化法建立鸽子吗啡辨别模型
- A finite increment in a variable. 变量增量变量的有限增量
- The speed of the toy boat is variable. 玩具船的速度是可变的。
- Winds are mainly light and variable. 风力较弱，风向多变。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
