1.Automated Machine Guidance (AMG) relies on which technologies?
1.自动化机械引导系统（Automated Machine Guidance, AMG）依靠哪些技术？
2.In construction staking, what is a crow’s foot?
2.在施工放样中，什么是“燕尾标记”（Crow’s Foot）？
3.Which method provides the best undisturbed deep soil samples?
3.哪种方法能够提供最佳的深层原状土样？
4.What is the approximate total area of the United States in square miles?
4.美国国土总面积约是多少平方英里？
5.A hilltop point has an elevation of 455 feet. The slope to the bottom is 5%. What is the horizontal distance?
5.山顶点高程为455英尺，坡度为5%，求水平距离。
6.One manhole has an invert elevation of 2605; the next is at 2610. Pipe grade is 3%. What is the distance between manholes?
6.一个检查井（manhole）的管底高程为2605，下一个检查井为2610，管道坡度为3%，两检查井之间距离是多少？
7.If a soil requires significant pressure to be rolled into a thread, it has which level of toughness?
7.如果土壤需要较大压力才能搓成土条，则其韧性等级是多少？
8.Which tools can be used to set finish grade stakes on a project?
8.项目中哪些工具可以用于设置最终标高桩（finish grade stakes）？
