Some forms of infanticide in ancient societies, present-day reprogenetics, preemptive abortions and designer babies have been (sometimes controversially) referred to as eugenic.
The designers of these circuits based them on the same concept: a fully integrated, single-die-IC switching regulator and a micropower operational amplifier.
User goals are not the only type of goals that designers need to take into account. Customer goals, business goals, and technical goals are all nonuser goals.
Few people realize there's a correct way to shampoo your hair, says George Caroll, a stylist, hair product designer, and consultant to the entertainment and beauty industry in Hollywood.
George Caroll是一位发型、头发产品以及好莱坞娱乐与美容业顾问,他说很少人会意识到洗头还有正确方法。
Close up, the workmanship that went into each ripple and shadowy layer of tulle was inimitably precious, yet somehow the designers successfully dodged the hazard of veering into overdone froufrou.