extinction rate 中文意思是什麼

extinction rate 解釋
滅絕率
  • extinction : n. 1. （權利等的）消滅，（生物等的）滅絕；（火等的）熄滅；（法律等的）廢除。2. 【物理學】消光；自屏；衰減。
  • rate : n 1 比率，率；速度，進度；程度；（鐘的快慢）差率。2 價格；行市，行情；估價，評價；費，費用，運費...
  1. This note studies two - species metapopulations dynamics com mon model considering of the affect of interspecific interaction to colonization and extinction rate and rescue effect, demostrates the conditions of two specie s capable of coexistence in the competitor, predator - prey or mutualist system

    在考慮種間相互作用對定居率和絕滅率的影響以及逃避效應的基礎上建立了兩物種相互作用的異質種群動態的一般模型，通過模型分析說明了競爭、捕食和互惠共生系統中兩物種能夠共存的條件
  2. The rate of extinction is higher than reclonizition, which indicates the decline of population. ( 2 ) chilasa epycides : univoltine

    種群在斑塊內處于滅絕、再定居的動態過程，滅絕率大於再定植率，即種群處于下降趨勢。
  3. The rate of species extinction already appears to be accelerating

    而物種滅絕的速率，也已經開始上升。
  4. The average extinction rate is now some 1, 000 to 10, 000 times faster than the rate that prevailed over the past 60 million years

    現在的物種滅絕速度，比六千萬年以前平均要快1000到10000倍。
  5. Finally, we propose a main road model in city traffic according to the improved ns model with open boundary conditions, and study some characters about this model with different parameters. our purpose is to find out the actor which influent the main road ' s average speed and current, and also the law of city traffic. then we can give some advise for managing and controlling the main road trffic. organization and self - organization cooperation in this model is discussed. the effect of roads ' length, the number of intercections and their positions is self - organization, and the effect of the deceleration probability, the injection ( extinction ) rate, the cycle times of traffic lights is organization. we analyse the effect of the parameters above separately

    最後，在開放邊界條件下改進ns模型的基礎上，建立二維城市主幹道模型，研究不同參數條件下模型的性質，找出影響主幹道流量、速度的因素及城市交通流變化的規律，給出適當的參數匹配，為主幹道管理和控制提供依據。主幹道模型由一條東西向的主幹道和若干條南北向的支道組成，在支道和主幹道的交叉路口上設置紅綠燈，交叉口上的車輛可以轉向行駛。
  6. On the basis of rate equations of frsl, power characteristics and extinction ratio of the converted light are discussed. the relation between relaxation oscillation, small - signal modulation response, modulation bandwidth and the length of fiber ring cavity is analyzed also

    根據frsl滿足的單模速率方程，討論了採用frsl進行波長轉換時轉換光的功率特性和消光比，以及frsl的弛豫振蕩特性、小信號調制響應、調制帶寬與光纖環形腔長度的關系。
  7. The big problem now is that human activities has increased the extinction rate at least 100 times compared to the natural rate, scientists noted. once a species goes extinct, human can t recreate it

    這個海洋島嶼，是由一「根」從600公尺深的海床冒升起來的石灰巖柱支撐著，一柱擘天，頂「島」立地。
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