开孔沉箱作为新式防波堤，由于其结构能够有效减小波浪的堤前反射及消减波浪的能量而受到越来越多地重视。
As a new type breakwater, perforated caisson is taken more attention because its structure can effectively reduce the wave reflection and the wave energy.
如果一个人站在明亮的窗户前，对面的墙壁会反射部分光线落在人身上。
A person with his back to a bright window will have light reflected from an opposite wall falling on him.
职业生涯里拍照无数的舍斯说：“我之前已经习惯了人们在照相机前强颜欢笑，这通常都是条件反射。”
"What I was used to," says Schels, who has taken hundreds of portraits during his career, "was people who smiled for the camera." It's usually an automatic response.
职业生涯里拍照无数的舍斯说：“我之前已经习惯了人们在照相机前强颜欢笑，这通常都是条件反射。”
"What I was used to," says Schels, who has taken hundreds of portraits during his career, "was people who smiled for the camera."
为了解决这个问题，工作人员利用摄像机前的窗玻璃反射真实火焰，这样拍摄出来的效果看上去就像木柴真的着火了一样。
To solve this, the crew reflected a real fire onto a pane of glass in front of the camera so that it looks as though the pyre is burning.
结论拔管前补充血容量分散患者注意力，可以避免迷走神经反射的发生。
Conclusion Complement of blood volume and distraction of patient's attention before decannulation can prevent vagus reflex in patients with coronary stenting.
基片材料、镀前基片表面清洗工艺等对反射率也有一定影响。
Substrate material and cleaning procedure also affect reflectivity of Au film to some extent.
通过两种开孔沉箱码头的结构形式在波浪作用下实测的堤前波浪反射系数，进一步证实了相互间的关系。
According to the real-measured wave reflection coefficient of two kinds of open-caisson wharf structural types in front of dike under the action of wave, the relationship between them is verified.
主要临床表现是发热、惊厥、呕吐、精神萎靡、凝视、前囱饱满、颈抵抗、病理反射阳性等。
Clinical manifestations were mainly such symptoms as fever, convulsion, vomitting, spiritlessness, gaze, bulging quadrangular fontanel and nuchal vigidity. The pathological reflex was positive.
本文根据波浪在岸前的能量方程，理论分析了波浪反射与波能损失的关系，并进一步通过试验验证分析了波浪反射系数在岸前的变化趋势。
According to the energy equation, the relation between reflection and energy losses from mild beaches for short waves is analysed. Tests are conducted to confirm the analysis.
黄道光是位于日地间尘埃微粒的反射光，最佳观测时间为日出前、日落后。
The zodiacal light is sunlight reflected by dust particles between the Sun and Earth, and is best seen close to sunrise or sunset.
研究了近共振增强的四能级系统有机染料溶液中简并的四波混频后向反射波及前向波的位相复共轭特性。
Phase conjugation of backward-and forward-wave produced by degenerate four-wave mixing using a nearly resonantly enhanced nonlinearity in four-level organic dye solutions was investigated.
研究了近共振增强的四能级系统有机染料溶液中简并的四波混频后向反射波及前向波的位相复共轭特性。
Phase conjugation of backward-and forward-wave produced by degenerate four-wave mixing using a nearly resonantly enhanced nonlinearity in four-level organic dye solutions was investigated.
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