channel grade
英 [ˈtʃænl ɡreɪd]
美 [ˈtʃænl ɡreɪd]
河（沟）道比降
双语例句
- For open channel constant nonuniform flow which has local holdback, the research considering the change of hydraulic grade line after the loss of local water head is less at present, and the expression of the loss of local water head is not unified either.
对于有局部阻碍的明渠恒定非均匀流，考虑局部水头损失后的水面曲线变化的研究目前比较少，局部水头损失的表达式也不统一。 - Research of River Channel Grade Division Based on Grey System Theory
基于灰色系统理论的河道等级划分方法研究 - Check the dimensions of dug pipe channel, especially the grade level, inclination against design requirements, check to see whether the bedding is rammed hard enough.
检测开挖的管槽尺寸，特别是水平高程、斜度是否满足设计要求，垫层是否夯实。 - E., the value of the ratio between channel's normal water depth and flow stage's average water depth to the power x will replace average hydraulic grade.
即用渠道的正常水深与流段的平均水深之比的x次方之值来代替平均水力坡度。 - Secondary users firstly assess the probability of the available channel, but different secondary users may want to access the same channel at the same time, which makes it inevitable to grade assessment access.
次用户首先去评估自己观察到的可用信道的概率，但由于不同的次用户会同时对同一个信道有接入请求，这就不可避免的要求评估接入级别。 - Television Channel Overall Packaging Intension and Grade Construction
电视频道包装的核心内涵和品牌建设 - Application of American Physiognomy Geometry Ration Math Model on Channel Grade and Dam Series Layout
地貌几何数学模型在黄土高原沟道分级和坝系规划中的应用 - In order to adapt to the expansion of inland waterway transportation, it is rather necessary to determine the scale for channel reasonably and forecast accurately the planning waterway capacity for various grade.
为了适应内河航运不断发展的需要，合理确定航道建设规模与布局、对规划中的各等级航道通过能力有比较准确的预测是相当必要的。 - The technology standard will not only satisfy the requirement of the channel grade, but also make the corresponding section of the shoal wider and deeper according to the requirements of slowing down the current velocity and slope.
设计技术标准不只局限于航道等级对航道尺度的要求，还根据降低流速和减缓比降的需要，将滩口或相应部位作加宽、加深处理，以便改善流态，满足航行要求。 - By simulation, it can be seen through comparison with the non-priority and guard channel handoff scheme that the proposed handoff scheme improves the performance of system in grade of service and channel utilization.
通过计算机仿真，与无优先方案和传统保护信道方案进行比较，该方案使系统的服务等级和信道利用率性能得到了改善。