初速度(initial velocity)
初速度(initial velocity)
相关考题：
大数据有( )V特点：( )。A、3B、4C、1、Volume(大量);2、Variety(多样);3、Velocity(高速)D、 1、Volume(大量);2、Variety(多样);3、Velocity(高速);4、Value(价值)。
The proper way to correct a mistake in the logbook is to ______.A.erase the entry and rewriteB.draw several lines through the entry，rewrite，and initial the correctionC.completely black out the entry，rewrite，and initial the correctionD.draw one line through the entry，rewrite，and initial the correction
The difference in water spray pattern between the high-velocity tip and low-velocity applicator used with the all-purpose nozzle is due to ______.A.a difference in water pressureB.the method of breaking up the water streamC.the length of the applicatorD.All of the above
Each life jacket light that has a non-replaceable power source must be replaced ______．A.every 6 months after initial installationB.every 12 months after initial installationC.every 24 months after initial installationD.on or before the expiration date of the power source
某物体作匀减速直线运动，其加速度为-2米／秒2，在任1秒中：（）A、该秒末速度比前1秒初速度小2米／秒B、末速度比初速度大2米／秒，方向与初速度方向相反C、末速度比初速度小2米／秒，其加速度方向与初速度方向相反D、末速度比初速度小2米／秒，其方向与初速度方向相反
UE根据以下哪个公式来进行估算PRACH的初始发射功率：（）A、Preamble_Initial_Power=UL_Path_Loss+UL_interference+ConstantValueB、Preamble_Initial_Power=DL_Path_Loss+UL_interference+ConstantValueC、Preamble_Initial_Power=UL_Path_Loss+UL_interference+DefaultConstantValueD、Preamble_Initial_Power=DL_Path_Loss+UL_interference+DefaultConstantValue
单选题High-velocity fog（）.Ais a finer，more diffuse water spray than low-velocity fogBrequires that the water pressure be no greater than 60 psiCproduces an effective fog pattern no more than 6 feet beyond the nozzleDextinguishes a fire by absorbing heat and reducing the supply of oxygen
单选题根据IBM的定义，大数据的4V特征是（）。AVolume、Velocity、Variety、VeracityBValid、Velocity、Variety、VeracityCVolume、Valid、Variety、VeracityDVolume、Velocity、Variety、Valid
单选题All classes of fires can be safely combated using（）AfoamBCO2Clow velocity water fogDhigh velocity water fog
单选题The difference in water spray pattern between the high-velocity tip and low-velocity applicator used with the all-purpose nozzle is due to（）.Aa difference in water pressureBthe method of breaking up the water streamCthe length of the applicatorDAll of the above
单选题The spray of water in low-velocity fog will have（）.Agreater range than high-velocity fogBlesser range than high-velocity fogCabout the same range as high-velocity fogDgreater range than a solid stream
单选题The proper way to correct a mistake in the logbook is to（）.Aerase the entry and rewriteBdraw several lines through the entry，rewrite，and initial the correctionCcompletely black out the entry，rewrite，and initial the correctionDdraw one line through the entry，rewrite，and initial the correction
单选题The（） only allows for adjustment of temperature in each room by the occupant manually controlling the air volume admitted.Acentral air condition systemBhigh velocity systemClow velocity systemDsingle duct system
单选题The rising velocity of the globules carries them upwards where they become trapped by the under surfaces of plates and （）until the enlarged globules have sufficient rising velocity to travel along the plate surface and break away at periphery.AdisperseBcoalesceCcompressDshrinkage
单选题When approaching a fire from win ward, you should shield firefighters from the fire by using（）Alow-velocity fogBhigh-velocity fogCa straight stream of waterDfoam spray
单选题Each life jacket light that has a non-replaceable power source must be replaced（）.Aevery 6 months after initial installationBevery 12 months after initial installationCevery 24 months after initial installationDon or before the expiration date of the power source
判断题初速度（initial velocity）指酶促反应最初阶段底物转化为产物的速度，这一阶段产物的浓度非常低，其逆反应可以忽略不计。A对B错