当然，每个望远镜首先要考虑的是其光学表现。
Of course, the most important consideration of any telescope is the performance of its optics.
总的来说，我对这支双筒镜的光学表现印象深刻。
Overall, I'm quite impressed with the optics of this binocular.
由于金属纳米粒子与整体金属相比所表现出来的光学特性差异，使其成为全世界深入研究的目标。
Metal nanoparticles are the subject of intensive research efforts across the world, due to the differences in the optical properties they exhibit compared to bulk metals.
氩致变色现象是指材料根据吸收氢气的含量不同而表现出不同的光学特性。
Hydrogen-chromic phenomenon is that Materials show dramatic changes in the optical properties depending on the hydrogen content.
存在问题主要表现在容积表精度低、导轨光学径向测量仪没有经过现场对比试验就直接列入规程等。
The problems existed in the standard are that the accuracy of capacity table is low, the optical measurement system is directly listed in the standard without any site comparison trial.
沙尘期间，气溶胶光学厚度显著升高，而尺度上升，粗粒子浓度显著增加，大气气溶胶表现出中性或异常消光特征。
Rapid increase of aerosol optical depth and coarse particle concentration, as well as aerosol neutral or anomalous extinction was observed during dusty periods.
尺寸选择激发光谱表现了较强量子尺寸效应引起的最低光学跃迁之间能量差的增大。
Size-selective photoluminescence excitation spectra reveal that energy difference between the lowest optical translations increases due to stronger size quantum effect.
海底地形地貌能表现海洋世界重要的空间信息，也是常规光学和电磁手段难以探测的水下区域。
Seafloor terrain and relief can express spatial information of oceanic world, and they are also seafloor field that are difficult to be detected by optics and electromagnetism.
中国地区气溶胶光学厚度呈现逐年增加的趋势，但1985年后增加趋势减缓，这种变化在大城市区域表现得更为明显。
It is found that the aerosol optical depth over China showed an increasing trend but a slow upward trend after 1985, especially in the megacity regions.
许多量子光学系统都表现出混沌现象。
许多量子光学系统都表现出混沌现象。
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