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怎能有如此寒气逼人的笑话。The arrangement of devices on the printed board is as uniform as possible and the orientation of devices is as consistent as possible. In addition, special attention should be paid to the arrangement of power supply and ground wire to meet the electrical performance requirements of the circuit. Attention should be paid to weak current and strong current, strong current and strong current, photoelectric isolation between power supply and ground wire, and sufficient creepage distance between internal and external circuits.显然是领会到了自己的意思，估计到了自己的感受。4. There is a overtime phenomenon in the business (the occurrence rate is also very high, but the customer has used it too much)越战后，退役越军阮力（周润发饰）辗转来到香港靠杀人为生，期间遇上琳（关之琳饰）并成为情侣。然而一次行动中，阮力奉命要干掉琳之父亲，及后力之上司坚得悉琳对其生疑，故下令阮力杀琳以灭口。阮力带琳逃走，坚下令追杀二人，期间琳得悉阮力乃杀父仇人，伤心欲绝，力为让琳亲报父仇，藉意开枪杀她，琳开枪还击，力含笑倒地……九一八事变，东北沦陷。碧莲父亲赵义生和白千山、老师江枫积极组织抗日武装行动，帮助地方抗日力量一起炸毁了日满铁路，碧莲家因此惨遭日军血洗，父亲牺牲。碧莲与姐姐碧荷逃难途中，碧荷落入匪手，后被抗日义士洪飞相救。碧莲与同学白兰为抗日救国报考了南京陆军学校。后在参加国民党的锄奸行动时，遭到汪伪汉奸的迫害，江枫为救碧莲而跳崖。痛苦中的碧莲毅然投奔了延安。两年后，碧莲回东北发展抗日武装，巧遇失散多年的姐姐抗日女杰碧荷，碧荷拉队伍投奔了东北抗日联军。跳崖未死的江枫回长春配合苏联红军进攻，部署武装夺取日军要塞。在战斗中碧莲姐妹壮烈牺牲，苏联红军顺利通过要塞。First of all, the 10,000-hour exercise must be targeted, with feedback and correction, but it will become mechanical repetition. The seeds sown did not grow into towering trees, but only got a pile of weeds.