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【判断题】
B2级晶硅电池片允许出现尺寸小于15mm错误2mm无隐裂的缺角。
A.
正确
B.
错误
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【单选题】You purchased an annual interest coupon bond one year ago that had 9 years remaining to maturity at that time. The coupon interest rate was 10% and the par value was $1,000. At the time you purchased ...
A.
8.00%
B.
7.82%
C.
7.00%
D.
11.95%
E.
None of these is correct.
【单选题】You purchased an annual interest coupon bond one year ago with 6 years remaining to maturity at the time of purchase. The coupon interest rate is 10% and par value is $1,000. At the time you purchased...
A.
7.00%
B.
8.00%
C.
9.95%
D.
11.95%
E.
None of these is correct.
【判断题】当平面任意力系简化的结果是主矢等于零,而主矩不等于零时,该平面任意力系合成为一个合力偶,该合力偶矩此时与简化中心无关。
A.
正确
B.
错误
【单选题】Green Roof Inns is preparing a bond offering with a 6 percent, semiannual coupon and a face value of $1,000. The bonds will be repaid in 10 years and will be sold at par. Given this, which one of the ...
A.
The bonds will become discount bonds if the market rate of interest increase.
B.
The bonds will pay 10 interest payments of $60 each.
C.
The bonds will sell at a dicount if the market rate is 5.5 percent.
D.
The final payment will be in the amount of $1,060.
【简答题】我国地表水环境质量标准分为 类,饮用水源一级保护区应达到 类标准。
【简答题】求图所示电路中的电阻R值。
【简答题】我国《地表水环境质量标准》将地面水分为 大类,本标准项目共计 项,其中地表水环境质量标准基本项目 项,集中式生活饮用水地表水源地补充项目项 ,集中式生活饮用水地表水源地特定项目 项。
【判断题】平面任意力系向给定点简化,附加力偶合成为一个力偶,称为原力系对简化中心的主矩,与简化中心的位置无关。
A.
正确
B.
错误
【单选题】图中 每个电阻的电阻值均为 R ,则图 所示电路的等效电阻为( )。
A.
2/3R
B.
3/2R
C.
R
D.
1/R
【单选题】You purchased an annual interest coupon bond one year ago that had 6 years remaining to maturity at that time. The coupon interest rate was 10% and the par value was $1,000. At the time you purchased ...
A.
7.00%
B.
7.82%
C.
8.00%
D.
11.95%
E.
None of these is correct.
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