107. Although these molecules allow radiation at visible at wave lengths, where most of the energy of sunlight is concentrated, to pass through, they absorb some of the longer-wavelength, infrared emission(紅外輻射) radiated from the Earth’s surface, radiation that would otherwise be transmitted back into space.
108. In addition, the style of some Black novels, like Jean Toomer’s Cane, verges on expressionism or surrealism(超現(xiàn)實(shí)主義), does this technique provide a counter point to the prevalent theme that portrays the fate against which Black heroes are pitted, a theme usually conveyed by more naturalistic modes of expression?
109. Roseenblatt’s thematic analysis permits considerable objectivity; he even explicitly states that it is not his intention to judge the merit of the various works—yet his reluctance seems misplaced, especially since an attempt to appraise might have led to interesting results.
110. Thus, for instance, it may come as a shock to mathematicians to learn that the Schrodinger equation (薛定諤的方程式)for the hydrogen atom is not a literally correct description of this atom, but only an approximation to a somewhat more correct equation taking account of spin, magnetic dipole (磁性偶極子), and relatiristic effects, and that this corrected equation is itself only an imperfect approximation to an infinite set of quantum field theoretical equations( 量子場(chǎng)論方程式).
106、相反的觀察,即在浮游植物群落高度集中的地方缺乏食草動(dòng)物的現(xiàn)象,使哈笛提出了他的“動(dòng)物排除”理論,該理論假設(shè)浮游植物群落能產(chǎn)生一種驅(qū)蟲(chóng)劑趕走在浮游植物高度集中區(qū)域內(nèi)的食草動(dòng)物。
107、盡管這些分子能夠透過(guò)可見(jiàn)光,陽(yáng)光的大部分熱量?都集中在這個(gè)波段,但是它們吸收長(zhǎng)波,從地表來(lái)的紅外輻射,或者將有些輻射折射回空中。
108、此外,一些黑人小說(shuō)的風(fēng)格,像Jean Toomer的Cane,就接近于表現(xiàn)主義或者超現(xiàn)實(shí)主義,這種巧合是否給流行描述黑人主人公與命運(yùn)對(duì)抗的主題提供了一個(gè)反襯點(diǎn),或者經(jīng)常被更加自然的表達(dá)模式所傳達(dá)的主題?
109、Roseenblatt的主題分析非常有客觀性,他甚至明確地說(shuō)他并不愿判斷各種作品的價(jià)值—但他的說(shuō)法似乎有些不對(duì)頭,特別是有時(shí)贊美的嘗試可能產(chǎn)生有趣的結(jié)果。
110、這樣,對(duì)于數(shù)學(xué)家們來(lái)說(shuō)是非常驚詫的,例如,薛定諤方程式并不是氫原子的準(zhǔn)確描述,而只是某種程度上的近似值。它近似于另外一種描述磁性偶極子相對(duì)效果的方程,而這個(gè)方程本身又是一套不定量子場(chǎng)論方程的近似值。
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