Marine insurance is governed by a strict series of rules and regulations.

海上保险受一系列严格的规章条例所制约。

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In other words, compared with the thriving development in the practice of Marine liability insurance, the legal rules and concerned studies of legal theories become increasingly imperfect.

可以说，相对于我国海上责任保险实践的蓬勃发展，相应的法律规范以及法律理论研究越来越显示出不完善的一面。

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So far, more than 30 conventions and rules which have worldwide significance and influences have been constituted, intending to protect marine environment.

到目前为止，国际海事组织已经制定了30多个关于保护海洋环境的、有重大国际影响的公约和规则。

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One of the plaintiffs, Marine Corps Capt Zoe Bedell, said existing rules had blocked her advancement in the Marines.

BBC: US servicewomen challenge combat role ban