研究发现背向的电子发射产额不满足余弦关系，这是由于H2 +上的价电子所引起的。
The results show that backward electron emission yield deviates from inverse cosine law, due to the role of the valence electrons of H2 +.
我们的房子背向河流。
最独特和艺术的拍摄，是让你的拍摄对象背向阳光，调成手动模式，对着拍摄对象曝光过度这样可以使你的拍摄者平均受光。
For a most unique and artistic shot, place your subject with thier back to the setting sun. On Manual mode, overexpose the portrait so your subject is evenly lit.
这意味着南半球和北半球会在一年的不同时间段朝向太阳或背向太阳，引起接受的光照量的变化和并产生季节变化。
This means the northern and southern hemispheres will sometimes point toward or away from the sun depending on the time of year, varying the amount of light they receive and causing the seasons.
由于彗尾是因为太阳光和太阳风成形的，所以彗尾一般背向太阳。
Since comet tails are shaped by sunlight and the solar wind, they always point away from the sun.
这是一只果蝇背向闭合行为的显微图片，其中被涂成了红色的蛋白质活跃于皮层细胞的勾缝四周。
In this micrograph of a dorsal closure in a fruit-fly embryo, the protein actin is marked red, prominent around the gap in the epithelial cells.
这种背向闭合行为与伤口愈合相似，能够帮助科学家了解人体的类似细胞活动。
This dorsal closure is similar to the healing of wounds, and could help scientists figure out ways to improve the process in humans.
观众们把从前面传来的声音反射到剧院前方区域，同时从后面传来的声音通过座椅进行背向散射。
Theatre-goers receive sound from the front, reflected off the theatre's foreground, as well as from behind them, backscattered by the seats.
这个风光不再的行业出版物发表的任何佚名评论无一例外的与著作本身所表达的核心意思背向而驰，也不管书店是否有兴趣销售这本书。
The anonymous reviews in this dying trade publication are almost always diametrically opposed to what the book delivers and whether it's interesting enough for a bookstore to sell.
你要背向光线拍摄你的对象。
背向你的男伴站立，慢慢弯下腰，手掌放在地板上。
Stand with your back to your man, then bend over slowly and put your palms on the floor.
法向量或者指向我们，或者背向我们,这要根据我们选的方向来定。
Well, the normal vector is either coming straight at us, or it's maybe going back away from us depending on which orientation we've chosen.
当你背向太阳的时候，你只看到自己的影子。
除了CarmenMaura，扮演一个背向泰特罗的有势力的批评家，她早先是泰特罗的门徒，配角演员们都是从阿根廷选派的年轻演员。
Apart from Carmen Maura, playing a powerful critic who has turned her back on Tetro, her former protege, the supporting players are young actors he cast locally in Argentina.
当你背向太阳的时候，你只会看到自己的影子。
地下室的墙壁受到一定程度破坏，主要在背面，亦即背向爆炸的地方。
The basement walls suffered some damage mostly in the rear i. e. away from the explosion.
当你背向太阳时，你只能找到自己的影子。
目的：探讨高血压病患者心肌不同肥厚程度背向散射参数变化的临床意义。
Objective: To evaluate the clinical significance of myocardial backscatter parameters of hypertrophic myocardium in the patients with hypertension.
结论：心肌背向散射参数可以用于评价高血压病患者不同肥厚程度的心肌病变。
Conclusion: Ultrasonic integrated backscatter parameters may be used to evaluate the degree of myocardial hypertrophy in the patients with hypertension.
目的探讨心脏灌注压、血液浓度和血流速度对组织背向散射强度的影响。
Objective To explore the influence of perfusion pressure, blood concentration and blood flow velocity on myocardial ultrasonic backscatter integration.
结论：心肌背向散射参数可以用于评估高血压患者心肌肥厚的不同程度。
Conclusions: Ultrasonic integrated backscatter parameters may be used to evaluate to the degree of myocardial hypertrophy in the patients with hypertension.
背向散射积分参数结合皮质厚度测量可对急性肾衰竭的诊断和鉴别诊断提供更多有用的信息。
Integrated backscatter coefficients combined with renal cortex thickness may offer more useful information in diagnosis and differential diagnosis of ARF.
否则，靠背向后太斜，撞车时驾驶人的身体特别容易向后飞移，头部会撞击车顶而亡。
Otherwise, the back of a chair backwards too oblique, driving the body when the crash move especially easy to fly back, head will hit the roof.
分别测量其左室后壁及室间隔的背向散射参数。
Ultrasonic backscatter parameters in left ventricular posterior wall and interventricular septum were measured.
分别测量其左室后壁及室间隔的背向散射参数。
Ultrasonic backscatter parameters in left ventricular posterior wall and interventricular septum were measured.
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