NR
- abbr. 天然橡胶（Natural Rubber）；（多用于地址或地名）在……附近（near）；（音频、图像处理）降噪（noise reduction）；瑙鲁（Nauru）的国家代码（互联网顶级域为 .nr）；（生物化学、组织学）中性红（neutral red）
网络释义专业释义
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天然橡胶 - 引用次数：29
The results showed that the Shore A hardness and 300% modulus of the base rubber were increased as the content of sulphur and accelerator increased,and the tensile strength was increased as the mass ratio of NR to BR increased.
结果表明:增加硫磺和促进剂的量,提高了三角带底胶试验胶的硬度和300%定伸应力。 增加天然橡胶和顺丁橡胶的质量比提高了三角带底胶试验胶的拉伸强度。
参考来源 - 木质素 -
负电阻 (negative resistance)
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名称暂存器 (name register)负接收 (negative reception)无记录 (no record)
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柯林斯英汉双解大词典
nr
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1.
ABBREVIATION for near 接近
nr
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the INTERNET DOMAIN NAME for Nauru 瑙鲁岛
双语例句原声例句权威例句
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If the vessel is compelled to wait for berth due to any reason, N/R shall be tendered upon the vessel's arrival at anchorage point for the DISCHARGE Point.
如果因任何原因，船只必须等待靠泊，应在船只到达卸货地锚地后发出备妥通知。
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An R.N.must have at least a two-year nursing degree.
VOA: special.2009.08.13
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So when we talk about a wave function squared, n l m he wave function, any one that we specify between n, l and m, at any position that we specify based on r, theta, and phi.
一个波函数,的平方时，对特定,特定位置r，theta，phi波函数，取平方,如果我们取平方。
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So we know that we can relate to z effective to the actual energy level of each of those orbitals, and we can do that using this equation here where it's negative z effective squared r h over n squared, we're going to see that again and again.
我们知道我们可以将有效电荷量与,每个轨道的实际能级联系起来，我们可以使用方程去解它,乘以RH除以n的平方,它等于负的有效电荷量的平方,我们将会一次又一次的看到它。
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