林火蔓延 的英文怎麼說
中文拼音 [līnhuǒmányán]
林火蔓延
英文
forest fire a ealing-
The river formed a natural blockade to the spread of the forest fire.
那條河成了阻止森林大火蔓延的天然屏障。Forest fires are currently raging across an area of 600 square kilometres south of the khabarovsk region and in northern and central parts of the primorsky region. strong winds increase the threats of rapid spreading of the fires
在哈巴羅夫斯克地區以南,與普里莫爾斯基地區中部及北部共600平方公里的范圍,經常發生森林大火,由於該地刮著強風,火乘風勢,蔓延更見迅速。The fire had been put down before it took the forest.
火蔓延到森林前就被撲滅了。In sunbaked southern italy, fires raged as parched forests and fields turned to tinder
太陽炙烤下的義大利南部,大火蔓延,被曬幹了的樹林和田地都成了天然的燃料。From the result of simulate calculation the guangzhou ' s eight times forest fire, the accuracy of simulated fire area is more than 90 percent, so the model can simulate the fire area and the length of the fire accuracy
從廣州市8宗森林火災的蔓延模擬結果看,過火面積的模擬精度約90 % ,能較準確地模擬林火發生時的過火面積和火線長度。The river blockaded the spread of the forest fire
那條河阻止了森林大火的蔓延。They dug trenches to keep the forest fire from spreading
他們挖溝以阻止森林大火蔓延。The fire had been put down before it reached the forest.
火在蔓延到森林前就被撲滅了。Based on the relationship between forest fire and weather conditions, many kinds of forest fire danger weather indexes are developed to estimate and predict the possibility of ignition, fire intensity and spread, as well as the difficulty of wildfires control
為實現對林區起火可能性大小、火災強度、火災蔓延速度以及火災撲救難易程度進行評估和預測,國內外專家學者利用森林火災與氣象條件之間的關系研製了諸多森林火險氣象指數的構建方法。In order to increase the accuracy and the widely use of fire spreading model, the paper base on the change state of temperature of the calculus on fire area, use the law of energy conservation, it can give the change of the temperature field ' s mathematical model on the fire area
摘要為了提高林火蔓延模型的準確性和通用性,文中把火場看作一個動態溫度場,並從火場上任一微元體任一時刻溫度變化狀態出發,應用能量守恆定律,建立火災區域溫度場動態變化模型。The model can be made into difference equation of the temperature field that can be used to simulate calculation ; then we can get the set of edge point, and we can have the function of the fire line, and we can also have the burned area, the length of fire line and the space of fire area ; it also come to the conclusion that the main factor of forest fire is convection heat transfer
經差分處理,得到進行模擬計算的一組溫度場計算方程;由邊界點條件,求出邊界點的集合后,擬合得出火線函數,積分后可得到時刻火場的過火總面積、火線長度和火場形狀,同時進一步證實了對流傳熱方式是影響林火蔓延的主要因素。Fire crews in arizona are already battling several blazes including this one in the coronado national forest. experts are concerned this is going to be another bad year for wildfires
亞利桑那州的消防員正在與火魔做斗爭,這一次在克倫那多國家森林公園的火災是一系列的火災之一.有關專家表示,今年將又會是一次火災蔓延年Thick black smoke billowed over the well - preserved ruins of olympia, on the peloponnese. the blaze creept up a hillside, engulfing surrounding pine and cypress woods
滾滾的黑色濃煙越過保存完整的遺址奧林匹亞到伯羅奔尼撒半島.大火悄然蔓延到一個山坡上,杉樹和檜木周圍一片火海April 14, 2006 yulong lijiang, yunan. fire were spreading in the mountain forests
2006年4月14日,雲南省麗江市玉龍縣,地表火在山林里蔓延。Thick black smoke billowed over the well - preserved ruins of olympia, on the peloponnese. the blaze crept up a hillside, engulfing surrounding pine and cypress woods
濃重的黑煙向保存完好的伯羅奔尼撒半島的奧林匹亞遺跡奔去。火焰蔓延到了山坡上,吞沒了遺跡周圍的松樹林和柏樹林。The fire spread quickly through the forest
火災迅速地在整個林區蔓延。分享友人