MS 关键词速查
Q1 实验设计
| MS 原句 | 中文含义 | 分值 |
|---|---|---|
independent variable is X | 自变量是 X | 1 |
dependent variable is Y | 因变量是 Y | 1 |
vary X and measure Y | 改变 X，测量 Y | 1 |
keep Z constant | 保持 Z 不变 | 1 |
labelled diagram of workable experiment | 画出可操作的实验装置图并标注 | 1 |
repeat measurements and average | 重复测量取平均值 | 1 |
plot a graph of Y against X | 画 Y 对 X 的图 | 1 |
straight line passing through the origin | 直线过原点 | 1 |
straight line (not passing through the origin) | 直线不过原点 | 1 |
relationship valid if a straight line is produced | 如果得到直线则关系成立 | 1 |
safety goggles / cushion/sand box | 护目镜/缓冲装置 | 1 |
use micrometer/calipers | 使用千分尺/卡尺 | 1 |
Q2 数据分析
| MS 原句 | 中文含义 | 分值 |
|---|---|---|
gradient = ..., y-intercept = ... | 梯度和截距表达式 | 1 |
Six points plotted correctly | 6 个点描点正确 | 1 |
Error bars plotted correctly | error bars 画正确 | 1 |
Straight line of best fit drawn | 画出最佳拟合直线 | 1 |
Worst acceptable line drawn | 画出最差可接受直线 | 1 |
Gradient determined with clear substitution | 代入计算公式求梯度 | 1 |
uncertainty = best gradient - worst gradient | 不确定度 = best - worst | 1 |
y-intercept determined by substitution into y = mx + c | 代入 求截距 | 1 |
No ECF from false origin method | 不接受假原点法 | - |
Do not accept line from top point to bottom point | 不接受连接首尾点 | - |
correct substitution and correct power(s) of ten | 正确代入和 10 的幂 | 1 |
dimensionally correct units | 量纲正确的单位 | 1 |