WebDec 30, 2024 · 美国出口管制法规EAR简介. 美国现行的联邦法大致可以分为法律（act）和法规（regulation）两个部分，前者被编纂为美国法典（United States Code, USC），后者被编纂为联邦行政法典（Code of Federal Regulations, CFR）。. 法律由美国国会制定，但是一般规定得比较笼统 ... Webear. ( ɪə) n. 1. (Zoology) the organ of hearing and balance in higher vertebrates and of balance only in fishes. In humans and other mammals it consists of three parts. See external ear, middle ear, internal ear. 2. (Anatomy) the outermost cartilaginous part of the ear (pinna) in mammals, esp humans.

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WebJun 22, 2024 · Ear tubes are tiny, hollow cylinders that are surgically inserted into the eardrum. This opening enables drainage of the middle ear, allows air to flow into the middle ear and prevents the buildup of fluids behind the eardrum. An ear tube is usually made of metal or plastic. Ear tubes are also called tympanostomy tubes, ventilation tubes ... WebThe meaning of EAR is the characteristic vertebrate organ of hearing and equilibrium consisting in the typical mammal of a sound-collecting outer ear separated by the tympanic membrane from a sound-transmitting middle ear that in turn is separated from a sensory inner ear by membranous fenestrae. How to use ear in a sentence. optimal carpentry and joinery

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Webear ý nghĩa, định nghĩa, ear là gì: 1. either of the two organs, one on each side of the head, by which people or animals hear sounds…. Tìm hiểu thêm. WebAn ear is the organ that enables hearing and, in mammals, body balance using the vestibular system.In mammals, the ear is usually described as having three parts—the … WebEar eczema ( atopic dermatitis) is a condition that causes your skin to become dry, discolored, itchy and bumpy. It may appear on the outside of your ear or inside your ear canal. Eczema damages the skin barrier function (the “glue” of your skin). As a result, your skin becomes more sensitive and more prone to infection and dryness. optimal cases \u0026 lights