Two rival laser surgery systems are undergoing clinical trials in the U.S.

两个竞争的激光手术系统正在美国进行临床试验。

《柯林斯英汉双解大词典》

Two rival laser surgery systems are undergoing clinical trials in the US.

两个相互竞争的激光手术系统正在美国进行临床试验。

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Surgery and anaesthesia: These are among the most complex procedures for health systems to deliver and can be among the costliest.

外科手术和麻醉属于卫生系统要提供的最复杂，可能也是最贵的一些程序。

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Surgeons who do key-hole surgery have used 3D systems like this to train, but UK Haptics see their system as having a more widespread appeal to a large number of nurses.

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Just behind MicroStrategy is newcomer Intuitive Surgical, a designer, manufacturer and marketer of robotic systems for performing surgery.

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Paul Murphy installs TV systems for a firm called Signal Surgery in Reading.

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