搜尋結果
- $45000【東園餐飲設備】清涼降溫 商用42" 變頻移動式水冷風機.大型水冷扇.工業用冷風扇(台灣製造)東園餐飲設備
- $43700【東園餐飲設備】清涼降溫 商用30" 搖擺型 變頻移動式水冷風機.大型水冷扇.工業用冷風扇(台灣製造)東園餐飲設備
- $31500『中部批發』M802 24" 水冷扇 變頻移動式水冷風機 通風扇 排風機 落地扇 清涼降溫 婚喪喜慶大型場地專用『維發中部批發』電機批發、零售
- $48510『中部批發』M602 42英吋 水冷扇 變頻移動式水冷風機 通風扇 排風機 落地扇 清涼降溫 婚喪喜慶大型場地專用『維發中部批發』電機批發、零售
- $36933『中部批發』M702 30" 移動式水冷扇 變頻移動式水冷風機 通風扇 排風機 落地扇 清涼降溫 婚喪喜慶大型場地專用『維發中部批發』電機批發、零售
- $46200『中部批發』42英吋 移動式水冷扇 變頻移動式水冷風機 通風扇 排風機 落地扇 清涼降溫 婚喪喜慶大型場地專用『維發中部批發』電機批發、零售
- $48300『中部批發』42吋 移動式水冷電扇 變頻移動式水冷風機 通風扇 排風機 落地扇 婚喪喜慶大型場地專用 清涼降溫『維發中部批發』電機批發、零售
- $38325『中部批發』30" 水冷扇 變頻移動式水冷風機 通風扇 落地扇 清涼降溫 排風機 婚喪喜慶大型場地專用 (台灣製造)『維發中部批發』電機批發、零售
- $35280『中部批發』24吋 移動式水冷扇 變頻水冷風機 通風扇 工廠降溫風扇 婚喪喜慶大型場地專用 清涼降溫(台灣製造)『中部批發』電機批發、零售公司
- $32550『中部批發』24吋 移動式水冷扇 變頻站立式水冷風機 通風扇 落地扇 婚喪喜慶大型場地專用 清涼降溫(台灣製造)『維發中部批發』電機批發、零售
- $40950『涼爽一下』30吋 移動式水冷扇 變頻移動式水冷風機 通風扇 排風機 婚喪喜慶大型場地專用 清涼降溫(台灣製造)『維發中部批發』電機批發、零售
- $40425『中部批發』30吋 移動式水冷扇 變頻水冷機 排風機 降溫風機 涼風扇 婚喪喜慶大型場地專用 清涼降溫(台灣製造)『維發中部批發』電機批發、零售
The IP code or ingress protection code indicates how well a device is protected against water and dust. It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 [1] which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical enclosures ...
Edinburgh is the capital city of Scotland and one of its 32 council areas. Located in the south-east of Scotland, it is bounded to the north by the Firth of Forth estuary and to the south by the Pentland Hills. With a population of 506,520 in mid-2020, Edinburgh is the second-largest city in Scotland by population and the seventh-largest in the ...
Michael Joseph Jackson (August 29, 1958 – June 25, 2009) was an American singer, songwriter, dancer, and philanthropist. Known as the "King of Pop", he is regarded as one of the most significant cultural figures of the 20th century. During his four-decade career, his contributions to music, dance, and fashion, along with his publicized ...
The above expansion holds because the derivative of e x with respect to x is also e x, and e 0 equals 1. This leaves the terms (x − 0) n in the numerator and n! in the denominator of each term in the infinite sum. History The ancient Greek philosopher Zeno of Elea considered the problem of summing an infinite series to achieve a finite result, but rejected it as an impossibility; the result ...
Fibonacci sequence. In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn . The sequence commonly starts from 0 and 1, although some authors start the sequence from 1 and 1 or sometimes ...
Probability theory. In probability theory and statistics, a normal distribution or Gaussian distribution is a type of continuous probability distribution for a real-valued random variable. The general form of its probability density function is. The parameter is the mean or expectation of the distribution (and also its median and mode ), while ...
In probability theory and statistics, the Poisson distribution is a discrete probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time if these events occur with a known constant mean rate and independently of the time since the last event. [1] .