of teachers suffer permanent voice damage because of classroom noise Memory performance 25% fall in primary school children’s memory performance against background noise Background noise 75dBA is enough background noise to cause long-term health problems for patients Dive...
Zhou Yu goes forward in triumph, grips the barrack in the Yangtze River Nanan, the river confronts with Cao Junge. [translate] aThere was so much noise in the classroom that the teacher couldn't make himself heard. 非常有噪声在老师不可能做他自己听见的教室。 [translate] ...
Lundquist P,Holmberg K,Landstrom U.Low Frequency Noise and Annoyance in Classroom. Journal of Low Frequency Noise Vibration and Active Control . 2000... Lundquist,Pär,Holmberg,... - 《Journal of Low Frequency Noise Vibration & Active Control》 被引量: 28发表: 2000年 by LOW FREQUENCY NOISE...
a起重机在工作中突然断电时,应将所有的控制器手柄板回零位;在重新工作前,应检查起重机动作是否正常。 Hoist crane when work sudden power failure, should return all controller handle board the zero position; Before works, should inspect the hoist crane movement is whether normal.[translate] ...
awe can sing 'in the classroom' first , 我们能 唱歌‘在教室’首先,[translate] aThe blue sea makes all other waters unworthy of the name,After Wushan, all other clouds are mere puffballs above; 蓝色海使其他水不值得名字,在Wushan以后,其他云彩是仅仅马勃菌上面;[translate] ...
Room lighting system: When this guesthouse use electron door lock magcard system, enters the room, please insert the magcard the entrance total power source controller in the jack, the power source then automatically opens, leaves when the room please do draw out the magcard, the power source...
with thenoisegoing on outside the classroom,i had great difficulty___(集中注意力复习功课). 免费查看参考答案及解析 题目: [单选题] a. thenoisecame from the tires. b. thenoisecame form the brakes. c. thenoisecame from mrs.jonesrsquo;singing. d. the...
Lundquist P,Holmberg K,Landstrom U.Low Frequency Noise and Annoyance in Classroom. Journal of Low Frequency Noise Vibration and Active Control . 2000... Lundquist,Pär,Holmberg,... - 《Journal of Low Frequency Noise Vibration & Active Control》 被引量: 28发表: 2000年 Handle transmitted vibrat...
aIncorporating the CMM controller and the host computer in the main unit results in a compact spacing saving footprint for the shop floor. 在主机结果合并CMM控制器和主机在一个紧凑间距挽救脚印为车间。[translate] aIntended Length of Stay in U.S. is invalid. 逗留的意欲的长度在美国。 是无效的。