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- The aramid is unavoidable to subject the thermal and photo irradiation in the actual usage, which makes the fibers degradation and decomposition, and affects their original superior properties. 指出芳纶在实际使用时，不可避免地会受到环境中热、光等因素的作用，发生老化降解，从而影响其性能的发挥。
- Conclusion: Yunnan white medicinal powder is simple, safe, cheap and effective drug for acute irradiated reaction and damage. 结论：云南白药外敷治疗急性放射性皮肤反应及损伤是一种方便、安全、经济、有效的治疗方法。
- Keywords acetanilide microwave irradiation reaction condition synthesis; 乙酰苯胺;微波技术;反应条件;合成;
- Keep the sun behind you when you take a photo. 拍照时要让太阳留在你的身后。
- He showed me a photo of a family group. 他给我看一张合家欢的照片。
- Many a time have we come across this same photo. 我们多次都见到过这同一张照片。
- He adjusted the shutter before taking a photo. 在照相前，他调整了快门。
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗？
- The woman on the photo is my paternal grandmother. 照片上的这个妇人是我祖母。
- He took a lot of photo last sunday, and so do I. 他上星期照了许多照片，我也一样。
- The photo made him quite attractive. 照片把他拍得相当英俊。
- An experimental study of Lewis tumor irradiation reaction under hypoxic circumstance 低氧条件下照射小鼠Lewis肺癌实体瘤的实验研究
- That photo is a good likeness of David. 戴维那张相片照得很像。
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- He hit upon a photo taken ten years ago. 他偶然发现一张十年前拍的照片。
- The photo shows her dressed in black. 在这张照片里，她穿著黑衣服。
- I'm displeased at your reaction. 我对你的反应很不满意。
- I got her in focus before I took the photo. 我在拍摄前先用镜头把她对清楚。
- The photo has faded beyond recognition. 相片已经模糊，不能辨认。
- The forces of reaction made reform difficult. 反动势力给改革造成了困难。
