单词	expectation operator
释义	expectation operator 期望算子
随便看	multi-role light transport aircraft multi-role model multi-role narration multi-role operations cabin multi-role playing multi-role practical multirole programmable device Multirole Radio Telephone multi-roles multirole strike fighter multi-role survivable radar Multi-Role Tanker Transport Multi-Role Thermal Imagery multi-role tug multi-role turret system multiroll multi roll multi-roll multi roll bar straightening machine multi-roll bar-straightening machine multi roll bearing multi-roll bearing multiroll beater multiroll beaterrefiner multiroll beater refiner