在过去的十年里，登山技术和登山设备都有了改进。
In the past ten years there have been improvements in mountain-climbing techniques as well as in mountain-climbing equipment.
C-130 航空电子现代化的改进包括一个数字玻璃座舱和数字航空电子设备。
Improvements to the C-130 avionics modernization include a digital glass cockpit and digital avionics.
随着设备的改进，克里斯开始了一项计划，培训员工如何更好地使用设备,可以自行进行简单的维护。
Along with improving the equipment, Chris began a program to train employees to use equipment better and do simple maintenance themselves.
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