similare to X-ray and she wanted to find new uses for these rays的汉语

similare to X-ray and she wanted to find new uses for these rays的汉语 It is necessary for you to take an X-ray. 连词成句 take hospital l to get an x-ray him the to 求帮忙 I have a headache so the doctor asked me to get an X-ray 改错 You need an X-ray.为什么X-ray前面是an?X不是元音字母啊? an X-ray machine 为什么要用an 关于X-ray,关为什么X-ray前面用an而不用a. x-ray You must get an X-ray. 改为祈使句 Have you ever had an X ray?请回答 have you ever had an X -ray?如何翻译? 1.in an x-ray tube,electrons striking a target are brought to rest,causing x-rays to be emitted.in a particular x-ray tube,the maximum frequency of the emitted continuum x-ray spectrum is F0,if the voltage across the tube is doubled,the maximum frequ X-RAY是什么意思 x-ray是什么 x-ray啥意思? X一ray是什么意思 X-ray什么意思 X-ray fluorescence是什么意思