[多选] 商业银行应严格按照（）的原则设计开发产品。

According to the Code of Federal Regulations，on vessels other than river ferryboats and river vessels，how are periodic lifeboat weight tests required to be conducted?（） The lifeboat is lowered to near the water，loaded with the allowed capacity，lowered into the water until afloat，then released from the falls。 The lifeboat is loaded with the allowed capacity，lowered into the water until afloat，then released from the falls。 The lifeboat is lowered into the water until afloat，loaded with the allowed capacity，then released from the falls。 The lifeboat is lowered to near the water，loaded with the allowed capacity，then released from the fall。 液化天然气（LNG）储罐应（）对日静态蒸发率检测一次。 每年。 每半年。 每2年。 每月。 假如一家银行的外汇敞口头寸为：日元多头150，马克多头400，英镑多头250，法郎空头120，美元空头480。则用累计总敞口头寸法计算的总外汇敞口头寸为（）。 200。 800。 1000。 1400。 对媒体处理的是（）。 模拟信号。 音频信号。 视频信号。 数字信号。 市场准入系统中在册企业对应的数据库表为（） hz_qyhznr。 sl_qyhznr。 bf_qyhznr。 hz_qymchzk。 商业银行应严格按照（）的原则设计开发产品。