He made it clear when it came to college life that having no compass in study is like driving with no steering wheel.
谈到大学生活时，他清楚地明确一点：学习上没有目标如同开车没有方向盘。
Steering by automatic pilot and by magnetic compass in stead of automatic pilot measure the exactness of magnetic compass by qualified calibrator and provide compass adjustment card.
自动驾驶仪操舵和用磁罗经代替自动驾驶仪，通过合格的校准器来测定罗经的正确功能并提供罗经校正卡。
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