reflection n. 1.【物,计】反射;反射波[光,热,音,色]。 2.反映;反影,映像,(映在水等中的)影像;〔比喻〕学人样的人,极像…的人,逼肖的形象[言语、动作、思想]。 3.反省,熟虑,沉思,回顾;〔pl.〕感想,意见;【心理学】(神经等的)反射作用。 4.非难,谴责;丢脸,耻辱 (on, upon)。 5.折转;弹回;【解剖学】翻转(处),折转(处)。 theory of reflection 反映论。 an angle of reflection 反射角。 He is simply a reflection of his father.他完全是他父亲的复本。 I have a few reflections to offer on what you have said. 我对你的发言提供几点意见。 be lost in reflection 沉思。 cast a reflection on 谴责…,成为…的耻辱。 on [upon] reflection 仔细想,反省;对…不利,使…名誉受影响,使…蒙受耻辱;中伤,影射(On reflection, I doubt whether I was right. 细细想起来我倒怀疑我讲的是否正确了)。 without (due) reflection 不经思考,轻率。 adj. -al
To get higher coupling efficiency and lower back reflection efficiency is the most direct request to the processing of fiber ' s tip 如何取得更高的耦合效率和更低的后向反射,这是对光纤端面微加工的最直接的要求。
Based on the rigorous coupled wave theory , the phenomenon that the zero order reflection efficiency of rectangular subwavelength grating varies with the wavelength is studied when incidence angle , azimuth and grating parameters are variant 摘要从严格耦合波衍射理论出发,在不同入射角、方位角和光栅参数下的情况,计算了矩形亚波长光栅零级反射效率随入射光波长的变化。
The light source adopts usa 5w high luminance led , which is energy saving ang highly effcient , whit service life reaching100 thousand hours . the reflector adopts high - tech surface treatment technology whit high reflection efficiency . the lighting distance of lamp can reach more than 250m and it can be shifted to lighting of weak light lasting 10 hours 光源采用美国5w高亮度led ,节能、高效、使用寿命长达10万小时,反射器采用高科技表面工艺处理,反光效率高,灯具照射距离可达250米以上,还可以调到弱光连续使用10小时。