對流也起著次要作用，因為相對薄的空氣層的存在和紙板上隔熱板。絕緣性能的紙板發揮重要作用，因為它們有助於減少溫度梯度整個領空。通過研究冷卻比薩餅在重力的環境號航天飛機，我們可以更準確確定對流流動的重要性。
—from The Thermodynamics of Pizza (比薩的熱力學), a book by Harold J. Morowitz
Active since March 29, 2010.
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| Rank | Username | WPM | Accuracy | Date |
|---|---|---|---|---|
| 223. | dark (darkblue920) | 85.79 | 46% | 2011-07-06 |
| 224. | 戴 (sd016808) | 85.75 | 32% | 2011-07-12 |
| 225. | Karl (ktkarl0513) | 85.53 | 96% | 2016-07-13 |
| 226. | kenny (kennyw) | 85.38 | 30% | 2011-05-08 |
| 227. | Pi-Hung (progheal) | 85.19 | — | 2010-08-24 |
| 228. | jimmy (mrwong1894) | 85.16 | — | 2010-12-20 |
| 229. | eRFoRever (a6006764) | 85.02 | 86% | 2017-11-04 |
| 230. | Znake (ekans) | 84.75 | — | 2010-11-26 |
| 231. | Chau (jacky124) | 84.70 | 47% | 2011-05-08 |
| 232. | asiating (asiating) | 84.69 | — | 2010-08-21 |
| 233. | 傲遊瀏覽器 (tequil121) | 84.65 | 86% | 2011-05-15 |
| 234. | Carter (carter6510) | 84.46 | 35% | 2014-12-28 |
| 235. | 屌你老母 (cappu) | 84.41 | 44% | 2011-05-09 |
| 236. | Rosey (roseyma) | 84.33 | 86% | 2017-08-13 |
| 237. | Patchouli (lantianying) | 84.25 | 86% | 2012-03-19 |
| 238. | RayYun (rayyun) | 84.09 | 24% | 2012-03-15 |
| 239. | Howard (howshal) | 83.93 | — | 2010-05-25 |
| 240. | Xellos (goniarush) | 83.77 | 30% | 2015-09-06 |
| 241. | Yang (shooting) | 83.70 | 32% | 2013-01-07 |
| 242. | Shua (shua901) | 83.64 | — | 2011-03-23 |
| 243. | jj (bigjj) | 83.11 | — | 2010-11-16 |
| 244. | Avery (di00baby) | 82.94 | 32% | 2013-07-18 |
| 245. | 楊 (mimiigaro) | 82.87 | 72% | 2011-08-14 |
| 246. | 峻傑 (a125534606) | 82.77 | 65% | 2011-12-25 |
| 247. | sauming (sauming) | 82.70 | 30% | 2013-03-15 |
| 248. | AK (angus0218) | 82.51 | 38% | 2013-06-20 |
| 249. | clb (clb2025485) | 82.45 | 30% | 2012-02-01 |
| 250. | wan (w1a2n3m4a5n6) | 82.39 | — | 2010-05-21 |
| 251. | Jannyies (jannyies) | 82.28 | 81% | 2012-01-21 |
| 252. | David (davidfu) | 82.27 | — | 2010-05-28 |
| Universe | Races | Average WPM | First Race |
|---|---|---|---|
| Traditional Chinese | 1,040 | 92.75 | March 29, 2010 |