... 只利用单极性载流的：unipolar transistor 职业性容许剂量：occupational tolerance 职业性标准照射率：basic occupational exposure rate ...
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Business Insider used the us Department of Labor "s Occupational Information Network database that gives jobs a" stress tolerance "rating on a scale from zero to 100 to compile its rankings."
美国劳工局职业信息网络数据库在0 - 100的分值范围内对各种工作“所承受的压力值”进行评级，《商业内幕》根据这项评级整理出它们的排名。
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