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（一）承运人，是指本人或者委托他人以本人名义与旅客订立海上旅客运输合同的人。。新收录的资料是该领域的重要参考
。业内人士推荐新收录的资料作为进阶阅读
Dyson settles forced labour suit in landmark UK case，这一点在新收录的资料中也有详细论述
Protons can penetrate up to 30 centimeters, reaching deep-seated tumors. But the delivery of protons in a continuous beam limits the dose rates. Also, proton systems are far larger and more expensive than, say, X-ray machines, which will likely constrain their availability to specialized centers.