The mixture and alternation between compound complex sentences and main-subordinate complex sentences and those between main-subordinate complex sentences are discussed in this article.

本文论述了英语中并列复合句和主从复合句之间以及主从复合句之间的混合与交替问题，并给出了一些常用的翻译方法。

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This extremely poisonous carbon compound happens to be very reactive, allowing it to lock in hugely complex but stable chains of other molecules.

这种剧毒的碳化合物碰巧是非常活泼的，这使得它能够锁定在非常复杂但是稳定的其他分子链中。

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By the combination of radicals or semantic elements, single compound words can express complex conceptual relations, often of an abstract universal character.

通过部首或语义元素的组合，单个复合词可以表达复杂的概念关系，通常具有抽象的普遍性。

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Casio has redesigned the ClassPad series' software keyboard to make this new model easier to use, organizing functions to correspond to three levels of learning difficulty, beginning with basic functions used by everyone like fractions, square roots, and trigonometric functions, then advanced functions like differential calculus, complex compound numbers, and sigma calculations, and finally even more advanced calculations including piecewise and user-defined formulas.

ENGADGET: Casio's touchscreen graphing calculator arrives in 2013, makes the TI-84+ look dated

Anyone can receive a blessing from the temple elephant, Lakshmi. (After you give her a 100-rupee note, she whacks you gratefully on the head.) But train passengers have a special advantage: You go back at night to Hampi's central Vittala Temple complex, a compound of intricately sculpted halls with rows of pillars and the central stone chariot that gives the train its name.

FORBES: Photograph: Andre Fanthome (RAAS)

But attempts to strengthen individual strands unilaterally without foreseeing the unintended consequences, compound the fears that the problems are too complex and intertwined for those in charge to even understand, let alone fix.

FORBES: Unintended Consequences Keep Coming