第五章 观察与记录(Observation and documentation) 第一节 测量体温、脉搏、呼吸(Assessing temperature, pulse, respiration)
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X射线第一次被观察和记录是在1895年,当时德国科学家威尔姆·康拉德·伦琴在使用真空管做实验时意外发现了X射线。 与光线和无线电波一样,X射线也是一种电磁辐射。
X-rayswere first observed and documented in 1895 by Wilhelm Conrad Roentgen, a Germanscientist who found them quite by accident when experimenting with vacuumtubes.
为了煽动话语,四方作了精心的编配,收听与记录的设备随处可见,观察、审问、表述等手段一应俱全。
Incitements to speak were orchestrated from all quarters, apparatuses everywhere for listening and recording, procedures for observing, questioning, and formulating.
采用可视化观察与数据同步记录分析相结合的方法,研究了不同压力条件下自然循环系统上升段中的闪蒸现象及其对自然循环稳定性的作用。
Under different pressures the flashing in riser of natural circulation system and its effect on flow stability were studied by the method of visual observation in synchronism with data recording.
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