在产品有必要变化的时候也不易重复编程，而且他们并不能安全的和工人们分享工作空间。
They're also difficult to reprogram when production changes become necessary and they can't safely share Spaces with human workers.
石墨炉原子吸收光谱分析中影响测量的可变因素较多，各种测量条件不易重复。
In the graphite oven atom absorption spectrum analysis affects the survey the invariable factor to be many, each kind of survey condition not easy to duplicate.
GPS接收机面板存在着无法保存数据、显示面板小、操作菜单繁琐、重复，不易进行查询等缺点。
The GPS receiver also has some shortcomings that it cant save data, the panel is small, the screen is hard to be read, operation menu is fussy, repetitive and not be easy to inquiry.
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