In the design of a radio receiver containing a type 3 filter, a low capacitance level and a high inductance level would be most useful for the purpose of:
A. enhancing radio reception across the frequency spectrum.
B. tuning out signals at high and low frequencies.
C. tuning in a radio station at a fixed frequency.
D. minimizing unwanted audio noise at middle frequencies.
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Based on information given in the three experiments, which of the following can we assume to be true?
A. The higher the capacitance, the wider the peak in the frequency response curve.
B. The lower the capacitance, the narrower the peak in the frequency response curve.
C. The higher the inductance, the narrower the peak in the frequency response curve.
D. The higher the capacitance, the narrower the peak in the frequency response curve.
根据相关规定,下列()禁止担任基金管理人的基金从业人员。A.对所任职的公司、企业因经营不善破根据相关规定,下列()禁止担任基金管理人的基金从业人员。
A. 对所任职的公司、企业因经营不善破产清算或者因违法被吊销营业执照负有个人责任的董事、监事、厂长、经理及其他高级管理人员,自该公司、企业破产清算终结或者被吊销营业执照之日起未逾3年的
B. 个人所负债务数额较大,到期未清偿的
C. 因违法行为被开除的基金管理人、基金托管人、证券交易所、证券公司、证券登记结算机构、期货交易所、期货经纪公司及其他机构的从业人员和国家机关工作人员
D. 因违法行为被吊销执业证书或者被取消资格的律师、注册会计师和资产评估机构、验证机构的从业人员、投资咨询从业人员
在国民经济各行业中,制成品的市场类型一般归为()。
A. 完全垄断市场
B. 完全竞争市场
C. 垄断竞争市场
D. 寡头垄断市场
下列有关已获利息倍数的说法,错误的是()。
A. 已获利息倍数指标是指公司经营业务收益与利息费用的比率,用以衡量偿付借款利息的能力
B. 已获利息倍数指标也称利息保障倍数
C. 已获利息倍数一税息前利润/利息费用
D. 已获利息倍数越小,说明公司越有能力偿付利息