综述了淡水养殖污染负荷估算的方法：化学分析法、竹内俊郎法及其同类方法、物料平衡法、湖泊和水库的箱式模型法。
The pollution load calculation models of freshwater aquiculture were reviewed, including chemical analysis method, material balance method, box model for lakes and reservoirs, etc.
采用箱式模型、二维ADI流体方程和对流扩散模型计算浔江湾海水交换时间，分析浔江湾的水动力特点和湾内海水交换时空分布的特点。
With the box model, 2D ADI tidal current equation and convectiondiffusion model, the exchange time of Xunjiang bay water is computated.
对近破波作用下沉箱式防波堤的运动特性进行了模型实验研究。
The model experiment on the motion behavior of caisson breakwaters is conducted under breaking wave excitation.
传统模型对于实际气藏中如河流相沉积为主的储层则不适用，这类气藏更适合建立箱式封闭地层模型。
The traditional model is not fit for some actual gas reservoir such as channel sand, which can be described as a box-shaped drainage volume.
建立了基于三箱式轿车结构的参数化分析模型。
文中建立了沉箱式防波堤弹性振动-摇摆运动分析模型，可对破碎冲击作用下防波堤的弹性振动-摇摆运动过程进行数值摸拟。
A vibrating_rocking motion model of caisson breakwater under breaking wave impact is presented, which can be used to simulate its histories of vibrating_rocking motion.
为了评价机械化路面器材对车辆安全通行的保障能力，根据箱式路面器材的结构和受力特点进行结构简化，探讨铰接箱式路面体系与土壤相互作用模型。
To predict the trafficability of pin-jointed box road equipments, the main structures of pin-jointed box road equipments and the corresponding terramechanics behavior were discussed.
为了评价机械化路面器材对车辆安全通行的保障能力，根据箱式路面器材的结构和受力特点进行结构简化，探讨铰接箱式路面体系与土壤相互作用模型。
To predict the trafficability of pin-jointed box road equipments, the main structures of pin-jointed box road equipments and the corresponding terramechanics behavior were discussed.
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