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It is convenient for fighting and evacuation, and a circular fire lane should be set up. With the accelerating pace of urbanization, urban land is increasingly tight, which promotes the construction of high-rise buildings. Many high-rise buildings, due to poor consideration of fire prevention design and other reasons, have many congenital hidden dangers, and fires occur from time to time, causing heavy losses. In order to create convenient conditions for fire fighting and rescue work and ensure the safety of buildings, circular fire lanes should be set up around high-rise buildings. However, regardless of the size of the building, it is indeed difficult to require the circular fire lanes. Lanes can be set up along the two long sides of the building. In order to prevent the collapse of building components in case of fire from affecting the normal operation of the fire lane, the distance between the fire lane and the outer wall should be 5m. There should be no trees, overhead pipelines, etc. that hinder the operation of climbing fire engines between fire lanes and high-rise buildings. If the total length of the building exceeds 220m, a fire lane shall be set up to pass through the building. There is no inner courtyard in the building, there are ring fire lanes around it, and fire engines crossing the building need to be set up. Q: An L-shaped high-rise building has a total length of about 170m, a length of 120m along the street, and a length of 50m along the inner street (residential road). Do you want to set up fire lanes crossing the building? A: The relevant provisions of the "Construction Regulations" and "High Regulations" consider that there is no restriction on the length of the two wings on the premise of meeting the requirements of fire fighting and evacuation. The building only needs to set up a pedestrian passageway connecting the street and the inner courtyard at the part over 80m along the street, and there is no need to set up a fire lane. In the planning of fire lanes, in addition to the relevant provisions of the "Construction Regulations" and "High Regulations", attention should also be paid to小城女孩沈小燕怀揣着千万少男少女的明星梦想，不管不顾的来到了北京，她简单的以为只要投奔曾给她寄过一张签名照的麦高就可以了。沈小燕的梦想被现实无情的粉碎了，麦高自己也面临着过气的尴尬处境。沈小燕一如滞留在京城的几十万做着明星梦的男孩女孩们一样，开始了为生存挣扎和理想挣扎的生命历程。京城人和京城演艺圈的怪现象纷至沓来，进演员培训班，却被人拉去拍裸照；麦高日渐被人忘却，还处处摆谱，想帮小燕却每每事与愿违；室友郁洁交游混乱、极度自私还有暴虐倾向；邻屋的男孩赵艺也是北漂后在京城迪厅当DJ混生活的小痞子，爱打架闹事却善心不泯，爱上了执着的小燕却和郁洁睡到了一张床上；苦苦寻找的父亲却冷嘲热讽，拒不相认；大明星邓茜手可通天，爱情却伤痕无数，并面临着不断冒出来的新人的强劲威胁；沈小燕出演的电视剧获了大奖，成为红极一时的大明星，却受到早年拍过裸照的威胁，并祸及赵艺和麦高。处处有艰难，却也处处有善心、友情在，沈小燕终于找到了自己的梦想，理解了自己的梦想刷新三观的泰剧《Club Friday The Series 10》的最后一部剧《不愿接受的人》Code as above; You can see, There are obvious shortcomings, For example, when I click on an element, I need to create a div. I click on the second element to create a div again, We frequently click on such and such elements, and they will frequently create div elements. Although we can remove pop-up codes when we click Close, it is not good for us to frequently create and delete them, especially for performance, and frequent operations on DOM will cause redrawing, etc., thus affecting performance. Therefore, this is a very bad habit. We can now use the monomer mode to realize the pop-up effect. We can instantiate it only once. The following code:Rowing boatBefore, I saw a friend say that it would take effect when it was very positive. So the landlord went to test. The results are as follows: