【单选题】张某接受王某的委托,以王某代理人的身份依法与李某签订了合同。对于该合同的签订,( )。
【单选题】甲公司2012年1月签订以下合同:(1)与某银行签订借款合同,借款金额150万元;(2)与某客户签订货物运输合同,合同载明货物价值500万元,运输费用65万元(含装卸费5万元,货物保险费10万元);(3)与某运输企业签订租赁合同,合同载明将本企业闲置的总价值300万元的10辆货车出租,每辆车月租金4000元,租期未定;(4)与某保险公司签订保险合同,合同载明为本企业的50辆车上第三方责任险,每辆车...
【单选题】The spectrum of a non-periodic continuous-time signal is
A.
continuous and non-periodic
B.
continuous and periodic
C.
discrete and non-periodic
【多选题】If a periodic signal is applied to an LTI system, which are true in the following statements. ( )
A.
The output will be periodic with the same period as the input signal.
B.
The output is not periodic.
C.
Each of the Fourier coefficients of the output is the corresponding Fourier coefficient of input multiplied by a complex number whose value is a function of the frequency corresponding to that Fourier coefficient.
D.
The output will be periodic with the period which is not the same as the input signal
【单选题】甲公司2012年1月签订以下合同:(1)与某银行签订借款合同,借款金额150万元;(2)与某客户签订货物运输合同,合同载明货物价值500万元,运输费用65万元(含装卸费5万元,货物保险费l0万元);(3)与某运输企业签订租赁合同,合同载明将本企业闲置的总价值300万元的10辆货车出租,每辆车月租金4000元,租期未定;(4)与某保险公司签订保险合同,合同载明为本企业的50辆车上第三方责任险,每辆车...
【单选题】Which of the following statements concerning cost formulas in a periodic inventory system is correct?
A.
The results under FIFO in a periodic system are the same as in a perpetual system.
B.
In a periodic system using weighted average, the latest units purchased before each sale are allocated to the cost of goods sold.
C.
In a periodic system using the weighted average cost formula, a new weighted average is calculated after each purchase.
D.
The results under weighted average in a periodic system are the same as in a perpetual system.
【简答题】7名同学照相, (1)若排成两排,前排3人后排4人,其中甲必须在前排,乙必须在后排,有多少种排法? (2)若排成一排,必须相邻,有多少种排法? (3)若排成一排,7人中又4名男生3名女生,女生不能相邻,有多少种排法? (4)若排成一排,甲、乙不能排两端,有多少种排法? (5)若排成一排,甲不能在排头,乙不能在排尾,有多少种排法? (6)若排成一排,从左到右顺序固定(可以不相邻)...
【单选题】5名学生排成一排,其中甲不在排头,乙不在排尾的排法数是( )
【简答题】In the periodic table, the horizontal rows are called A) ______ whilst the vertical columns are called B) ______
【单选题】甲公司2013年1月签订以下合同: (1)与某银行签订借款合同,借款金额150万元; (2)与某客户签订货物运输合同,合同载明货物价值500万元,运输费用65万元(含 装卸费5万元,货物保险费10万元); (3)与某运输企业签订租赁合同,合同载明将本企业闲置的总价值300万元的10辆货车出租,每辆车月租金4000元,租期未定; (4)与某保险公司签订保险合同,合同载明为本企业的50辆车上第三方责任...