習近平罕見提及近期解放軍清洗行動 「在反腐敗鬥爭中經受革命性鍛造」
There is a special form for boolean formulas called "Conjunctive Normal Form" (CNF). A problem in this form consists of clauses connected with and operators, where each clause only contains variables connected with or operators. The variables can appear negated, but only variables can be directly negated, something like !(a && b) is not allowed. An example boolean formula in CNF form is:
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虽然东风日产正在积极补齐短板，但在当前竞争极度激烈的市场环境下，想要追回流失的份额，其转型的速度和产品落地的节奏还需要再快一些。
今年暑期邮轮价格战的重灾区，就是这些短航线。当价格跌破底线，吸引来的就是图便宜的大爷大妈，然后自助餐疯狂浪费，体验进一步恶化，形成恶性循环。
The British weren’t alone in their hunt. Chileans, New Zealanders, and South Africans, among others, were also scrambling to source this strategic substance. A few months after the Pearl Harbor attack, the U.S. War Production Board restricted American civilian use of agar in jellies, desserts, and laxatives so that the military could source a larger supply; it considered agar a “critical war material” alongside copper, nickel, and rubber.1 Only Nazi Germany could rest easy, relying on stocks from its ally Japan, where agar seaweed grew in abundance, shipped through the Indian Ocean by submarine.2