Of course the presence of humans themselves also changes the odds of fire, as people are a frequent source of ignition—both accidental and deliberate.
当然，人类自身的存在也改变火灾的可能性，因为人类是一个经常地导火源——有无意的也有故意的。
S. military presence in the Gulf has been, and continues to be, a source of popular resentment.
美国在海湾地区的军事存在已经并将持续引起普遍的愤恨。
NO2 is the main source of nitrate aerosols, which form an important fraction of PM2.5 and, in the presence of ultraviolet light, of ozone.
二氧化氮是硝酸盐气溶胶的主要来源，构成PM 2.5和在紫外线下臭氧的主要部分。
The presence of hydrogen in the soil, meanwhile, could provide a source of fuel for lunar visitors.
在土壤中存在的氢，将为月球的探访者带来燃料。
To help you identify the relationships between source and target nodes or fields, and their presence in script processing, there is a new facility in this latest version of the toolkit. For example.
为了帮助您识别源和目标节点或字段之间的关系、以及它们在脚本处理中的出现，在这个工具包的最新版本中提供了一个新的工具。
And yet the children themselves are only an intermittent presence in these pages, entering as a source of strife and disappearing once the conflict over them is resolved.
然而这些战中的孩子只是断断续续的出现在这本书中：当矛盾来临时他们出现了，当争端解决了他们又消失了。
The most likely explanation for the presence of collagen is that it doesn't come from the T. rex, but from another much more recent source.
最为合理的解释是这些胶原蛋白不是来自于霸王龙，而是来自于其他的，更近的来源。
Generation depends on three main factors: the presence of organic matter rich enough to yield hydrocarbons, adequate temperature, and sufficient time to bring the source rock to maturity.
生成作用取决于三个主要因素：有机质的存在丰富到足够产生烃类；适宜温度与足够的时间使源岩达到成熟。
Therefore, the presence of abundant 4-methyl steranes is a necessary but not sufficient indicator for the Wenchang Formation source in the eastern Pearl River Mouth Basin.
因此，4-甲基甾烷的存在不能作为判识珠江口盆地东部油源主要是文昌组的唯一证据。
The results also show unequal amplitude method can reduce the interaction between femtosecond soliton in the presence of optical source chirp in a certain degree.
研究结果还表明，不等幅传输法在一定程度上可有效地抑制源啁啾飞秒孤子间的相互作用。
In this paper, we discussed the time-dependence of the static solution of SU (2) and SU (3) gauge theory at the presence of static extended source.
本文我们讨论有静态外源时SU(2)和SU(3)规范场静态解的时间依赖关系。
The boron compound and iodine source are combined with reactants of a fluoroalcohol and an alkylene oxide in the presence of a base.
所述含硼化合物和碘源在碱的存在下与氟代醇反应物和环氧烷烃反应物混合。
In the presence of external sources, a superconducting weak link can be represented by a simplified model, consisting of a resistively shunted Josephson junction driven by a current source.
超导弱连接在外源作用下，一般能简化为由电流源驱动的电阻分路约瑟夫森结模型。
In this paper, an improved method is proposed to estimate source DOAs in the presence of the spatially nonuniform noise.
文中提出一种空间非均匀噪声环境下的信号源DOA估计的改进方法。
Keep close to the people you love and count on for support. Their compassionate presence and hugs are an important source of comfort and faith.
接近你所爱的人，以来他们的支持。他们的同情和拥抱，将是温暖与信心的重要来源。
Actuator saturation is one of the most common nonlinear phenomena in classical control systems, and its presence can be source of performance degradation and instability.
驱动器饱和是经典控制系统中最常见的非线性现象之一，它可能会是效能退化与不稳定的根结。
There was 3-hydroxydodecanoic acid in 20 EU/tube working standard endotoxin, which indicated the presence of impurity of bacterium source.
支的内毒素工作标准品中除含有3-羟基十四烷酸外，还含有3-羟基十二烷酸，说明其含有非大肠杆菌的细菌。
There was 3-hydroxydodecanoic acid in 20 EU/tube working standard endotoxin, which indicated the presence of impurity of bacterium source.
支的内毒素工作标准品中除含有3-羟基十四烷酸外，还含有3-羟基十二烷酸，说明其含有非大肠杆菌的细菌。
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