查询词典 boulder flat

Upon descent, alarms went off telling the astronauts that the automatic guidance system was steering the lander toward a boulder-strewn crater instead of a relatively flat landing site called the Sea of Tranquility.

降落后，警报响起，告诉宇航员自动导航系统在引导登月车驶向布满陨石坑的火山口，而不是去被成为宁静之海的相对平稳的陆地。

Yi Hong climbed onto a gigantic boulder that had a flat surface resembling a chessboard, and looked intently in all directions.

衣红爬上一块平砥如枰的巨石，瞠目四望，这才看出掩映在树缝之中，那条轰雷涌雪的溪流竟已在数十公尺之下了。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。