The choanoflagellate Choanoeca flexa forms motile and contractile cell monolayers purely clonally, purely aggregatively or through a combination of both processes depending on environmental conditions.
Some smoke alarms have been designed to be ultra-sensitive. Aspirating devices, for example, constantly suck in air in order to detect even small quantities of smoke in a room. They are often used in commercial settings, including server rooms packed with expensive computer tech.
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“海信+东芝”的双品牌战略，让海信的技术优势和东芝的品牌积淀都得到了极大限度的发挥，尤其在日本本土的彩电市场，东芝子品牌REGZA销量已连续四年登顶。销量的回暖也让东芝的财务状况得以改善，根据海信视像2019年半年报，东芝映像在上半年还是亏损状态。到了海信视像2020年年报披露，东芝映像已经营大幅改善，并实现扭亏为盈。
Семен Александров (старший редактор отдела Мир)