“我需要一种[电子邮件类型]来解决我的[理想客户角色]的痛点和需求，并向他们展示我的[产品/服务]如何成为他们一直在寻找的解决方案。”Each of the principle oscillators can output sawtooth or square waveforms (with a dynamically controllable pulse‑width modulation selection for the latter) or th