In a cell, approx 90% of ROS is generated by the ________.
In a cell, approx 90% of ROS is generated by the ________.
计算数值积分的梯形公式,以下正确的是 A: $\int_a^b {f(x)} dx \approx {{b - a} \over 2}[f(a) + f(b)]$ B: $\int_a^b {f(x)} dx \approx {{b - a} \over 2}[f(a) - f(b)]$ C: $\int_a^b {f(x)} dx \approx {{b + a} \over 2}[f(a) - f(b)]$ D: $\int_a^b {f(x)} dx \approx {{b + a} \over 2}[f(a) + f(b)]$
计算数值积分的梯形公式,以下正确的是 A: $\int_a^b {f(x)} dx \approx {{b - a} \over 2}[f(a) + f(b)]$ B: $\int_a^b {f(x)} dx \approx {{b - a} \over 2}[f(a) - f(b)]$ C: $\int_a^b {f(x)} dx \approx {{b + a} \over 2}[f(a) - f(b)]$ D: $\int_a^b {f(x)} dx \approx {{b + a} \over 2}[f(a) + f(b)]$
The ports are drilled in the liners at an angle of approx 202103 the result being that () is given a rotary movement.
The ports are drilled in the liners at an angle of approx 202103 the result being that () is given a rotary movement.
辛普森求积公式,以下正确的是 A: $\int_a^b {f(x)} dx \approx {{b - a} \over 6}[f(a) + 4f({{a + b} \over 2}) + f(b)]$ B: $\int_a^b {f(x)} dx \approx {{b - a} \over 6}[f(a) + 4f({{a + b} \over 2}) - f(b)]$ C: $\int_a^b {f(x)} dx \approx {{b - a} \over 6}[f(a) - 4f({{a + b} \over 2}) + f(b)]$ D: $\int_a^b {f(x)} dx \approx {{b + a} \over 6}[f(a) + 4f({{a - b} \over 2}) + f(b)]$
辛普森求积公式,以下正确的是 A: $\int_a^b {f(x)} dx \approx {{b - a} \over 6}[f(a) + 4f({{a + b} \over 2}) + f(b)]$ B: $\int_a^b {f(x)} dx \approx {{b - a} \over 6}[f(a) + 4f({{a + b} \over 2}) - f(b)]$ C: $\int_a^b {f(x)} dx \approx {{b - a} \over 6}[f(a) - 4f({{a + b} \over 2}) + f(b)]$ D: $\int_a^b {f(x)} dx \approx {{b + a} \over 6}[f(a) + 4f({{a - b} \over 2}) + f(b)]$
4、$R_{\rm i}=R_{\rm b}//r_{\rm {be}}\approx 2\rm{k\Omega}$。 A: Yes B: No
4、$R_{\rm i}=R_{\rm b}//r_{\rm {be}}\approx 2\rm{k\Omega}$。 A: Yes B: No
1. 利用全微分近似计算,并保留小数点后两位(1)${{\left( 1.04 \right)}^{2.02}}\approx $______ 。
1. 利用全微分近似计算,并保留小数点后两位(1)${{\left( 1.04 \right)}^{2.02}}\approx $______ 。
中国大学MOOC: In the U.K., it is customary to tip your waiter/waitress at the end of the meal, which is approx ________, though sometimes this is included in the bill.
中国大学MOOC: In the U.K., it is customary to tip your waiter/waitress at the end of the meal, which is approx ________, though sometimes this is included in the bill.
3、$R_{\rm i}=R_{\rm s}+R_{\rm b<br/>}//r_{\rm {be}}\approx 4\rm{k\Omega}$,。 A: Yes B: No
3、$R_{\rm i}=R_{\rm s}+R_{\rm b<br/>}//r_{\rm {be}}\approx 4\rm{k\Omega}$,。 A: Yes B: No
有些出口商品由于其本身特性,或因自然条件的影响或受包装和运输工具的限制,实际交货量往往不易符合原定的交货数量,为避免争议,可以订立数量机动幅度条款。其数量机动幅度主要有以下几种:( )。 A: "溢短装条款"(More or Less Clause) B: 在合同的数量前加一“约”字(about,circa,approx) C: 合同中末明确规定机动幅度 D: 品质增减条款
有些出口商品由于其本身特性,或因自然条件的影响或受包装和运输工具的限制,实际交货量往往不易符合原定的交货数量,为避免争议,可以订立数量机动幅度条款。其数量机动幅度主要有以下几种:( )。 A: "溢短装条款"(More or Less Clause) B: 在合同的数量前加一“约”字(about,circa,approx) C: 合同中末明确规定机动幅度 D: 品质增减条款