口前叶 [无脊椎] prostomium ; [昆] preoral lobe
口前毛轮 pre oral ciliary circlet ; pre oral ciliary band
出口前后径 conjugata of outlet ; the anterior-posterior outlet diameter conjugate of outlet
壳口前端 anterior aperture
入口前后径 conjugata of inlet ; anteroposterior diameter of inlet
口前触手 prostomial tentacle
口前神经节 preoral ganglion
口前肠 pre-oral gut
口前盘 Prostomial disc
出口前景 Export Prospects
请在那个交叉口前停车。
他们尤其不会怀念那经常晚点的航班和安检口前的长队。
They particularly do not miss the delays and the long lines at airport security checkpoints.
本文仅就车辆在平面交叉口前的平均等待时间和平均车辆数来评价交叉口的运行效率。
This paper is to evaluate the operational efficiency of intersections only in terms of average waiting time and average number of vehicles that have to wait before the at-grade intersections.
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