Another point to consider: paper photos can easily be destroyed in a fire, flood, or other disaster (or slowly deteriorate with age).
还有一点要考虑的，即纸质照片很容易就能在一场火灾、洪水或其他什么灾难中毁掉(或是随着岁月慢慢老化)。
The Triangle Shirtwaist Fire remains as a turning point in US history.
三角内衣厂火灾依然是美国历史的转折点。
At one point his hair caught fire.
一度他的头发还着火了。
The work might also help us understand epilepsy better: in an epileptic fit, the brain has a tendency to suddenly fire synchronously, and deviation from the critical point could explain this.
这项发现可能还能帮助更好地理解癫痫症：在癫痫发作时，大脑有趋向突然同时被触发，而偏离临界点就能解释这一点。
With high voltage, electrostatic electrostatic induction and point discharge, discharge the characteristics of the spark generated is easy to cause the explosion and fire accident.
静电具有高电压、静电感应及尖端放电的特点，放电产生的静电火花容易导致爆炸和火灾事故。
It is crucial to identify a fire site or a fire point in fire investigation.
准确认定起火部位、起火点在火灾事故调查中极其重要。
She can use the fire lash ability at will as long as her power point reserve is 11 or more.
灵能点馀量不少于11的操焰者可以随意使用“火焰鞭”能力。
I think we should walk calmly to our nearest fire exit, following the green signs, go outside and meet at the fire assembly point.
我想应该保持冷静，然后走到最近的安全出口，跟着绿色标记到外面去，然后到火灾集合点集合。
The paper calculates the deflagration concentration of a chemical reagent deflagration fire from a theoretical point, and the situation of the deflagration fire site is analyzed in the paper also.
本文对一起化学试剂爆燃火灾的爆燃浓度进行理论计算，并对爆燃现场实际情况进行分析。
Combine with alarm, fire extinguishing together, quick detection response, put out the fire point to point in the initial stage, reduce the economic losses caused by fire effectively.
报警、灭火合一，探测反应时间快，点对点灭火，迅速将火患扑灭在萌芽状态，有效降低火灾带来的经济损失。
Meet at the fire assembly point.
到火险应急集合区集合。
The book's larger point is that, as Ellenberg writes, "to do mathematics is to be, at once, touched by fire and bound by reason".
这本书的亮点在于，如同艾伦·博格所写道的，“数学就是忽然触及火焰，又为理性所约束。”
If you take a magnifying glass outside into the sunshine you can focus the sun's rays on a tiny little point and actually start a fire.
如果你把一块放大镜带到太阳底下，可以把阳光聚集到很小的一点，点燃火焰。
The reporter then proposed to light a fire on a point of the islet, which would serve as a signal to the engineer.
随后通讯记者提议在小岛上燃起一堆火来给工程师作为信号。
The relationship between Killing zone boundary and defense efficiency is expounded from the point of view of covering protected object capability by air-defense missile and its shift of fire.
从地空导弹对所保卫目标的掩护能力、火力转移能力等方面，论述杀伤区远界与防卫效率的关系。
The Administration Building fire in 1906 was a turning point in the university's history.
1906年在行政大楼的火灾是大学历史的一个转折点。
From the view point of the basic study of fire science, a concept of fire in confined space of movement is put forward.
从火灾科学基础研究的角度，提出了运动受限空间内火灾的概念。
But it has low melting point and sintering point, when it is used to extinguish a fire, it can rapidly decompose to form a layer of film, which can cover the surface of comburent and make the fire.
但低聚磷酸铵具有较低的熔点和烧结点，用来灭火时能迅速分解形成膜层覆盖于燃烧物表面使火焰熄灭。
The heat and temperature reaches the point above, prone to cause fire, and can form explosive mixtures with air.
本品遇热且温度达到闪点以上，易致火险，并能形成具有爆炸性的空气混合物。
In case of fire, go to pre-determined muster point. Never use an elevator during fire. Follow fire warden's instruction.
如果发生火灾，迅速赶至预先规定的集合地点。在出现火灾时一定不要使用电梯。听从防火员的指示。
Do not dissolve in water, not drain, not hygroscopic, non-toxic, non-corrosive, in the heat of fire, do not see the change, the melting point of about 135 degrees Celsius.
不溶于水，不易流失，不吸湿、无毒性、无腐蚀性，在火上加热，看不出变化，熔点在135摄氏度左右。
The book's larger point is that, as Ellenberg writes, "to do mathematics is to be, at once, touched by fire and bound by reason"—and that there are ways in which we're all doing math, all the time.
正如爱伦伯格在书中写道，本书更主要是告诉大家，“数学就是让你被激情点燃的同时，又被理性包围”，而通过各种方式，我们实际上每时每刻都在接触数学。
The fire point is simplified as a volumetric source of which the heat productivity varies with time.
火源则被简化为一个放热量随时间变化的体积热源。
Safety: High flash point, flammable, without explosivity. Foam, dry powder, dry ice, steam and water can be used for extinguishing fire.
安全性：闪点较高，可燃，爆炸性：无。着火时，用泡沫、干粉、干冰、蒸汽、水等灭火。
Thee book's larger point is that, as Ellenberg writes, "to do mathematics is to be, at once, touched by fire and bound by reason" -and that there are ways in which we're all doing math, all the time.
正如爱伦·伯格在书中写道，本书更主要是告诉大家，“数学就是让你被激情点燃的同时，又被理性包围”，而通过各种方式，我们实际上每时每刻都在接触数学。
Recently, the simulation of fluid, such as cloud, fog, smoke, fire, rain, water and fireworks, has become a hot point in computer graphic field.
近几年来对流体如云、雾、烟、火、雨、水、礼花等进行模拟，已经成为计算机图形学领域的研究热点。
Recently, the simulation of fluid, such as cloud, fog, smoke, fire, rain, water and fireworks, has become a hot point in computer graphic field.
近几年来对流体如云、雾、烟、火、雨、水、礼花等进行模拟，已经成为计算机图形学领域的研究热点。
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