Seven columns mirror the blueprint; three lines make each formula self-documenting — usage, units, and what a right answer looks like. Pre-exam review is checking bases, not recalling formulas, and that only works with structure.
常见误解 / Common misread：误区：公式表按教材章节排。考题按域给信息，表也按域索引。 Myth: organize by textbook chapter. The exam indexes by domain.
2. Top10 各配一个量级锚点
A magnitude anchor for each top-ten formula
TRIR/DART：个位数（1–10）；噪声：90 dBA/8h 是锚，其余按交换率推；坠落净空：通常 3–4 米级；Ds：9.5 in 这类十位数、下限 7；RWL：25 kg 量级（51 lb）；LOPA：PFD 十进制量级（0.1/0.01）；吊索角：60° 系数 1、45° 系数 1.4；ppm↔mg/m³：×24.45÷MW；矩阵：概率×后果对数刻度。量级错=重算。
Anchors: TRIR single digits; 90 dBA over eight hours; clearance meters; Ds nine-ish inches over a seven floor; RWL around 25 kg; PFD decades; sling factors 1.0 at sixty and 1.4 at forty-five; 24.45 over molecular weight; log-scale matrices. Wrong magnitude means recompute.
常见误解 / Common misread：误区：量级靠「感觉对」。每个锚点来自算例，不来自感觉。 Myth: magnitude by feel. Anchors come from worked examples.
Card fronts carry only variables and the ask; backs carry the three lines. Weekly full recitation; misses rewritten five times. This is forward retrieval — an exact rehearsal of the exam act.
常见误解 / Common misread：误区：看着答案「过」卡片。过卡是阅读，默写才是测试。 Myth: flipping cards counts. Reading is not testing.
Bind every dangerous number to its derivation: 200,000 from 100 people by 40 by 50; 24.45 from molar volume; 63 from the press constant; 7 from the floor. Sourced numbers self-check — 20,000 instantly reads as too few full-timers.
常见误解 / Common misread：误区：死记硬背常数。无来源的常数在压力下必然变形。 Myth: rote constants. Unsourced constants warp under pressure.
情景自测 | Scenario check
要点辨析Key-point discrimination
这道题考什么：考防错机制。 Tests the error-proofing mechanism.
默写 TRIR 时把 200,000 写成 20,000。最佳防错方案是？
You wrote 20,000 instead of 200,000. Best error-proofing?
自编练习题，不是 BCSP 官方真题，也不能用来预测分数。 / Original practice item, not an official BCSP exam question.
动手练 | Practice
1. 给 Top10 每条公式写「量级锚点卡」。 Write magnitude-anchor cards for the top ten.
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来自 昏昏睡睡HSE · From Drowsy HSE
CSP DAILY LEARNING · DAY 323