File:20200127 Bowling ball and pins for strike - front view.png - 维基百科，自由的百科全书

摘要

描述	English: Front view of bowling pins and bowling ball in a position found optimal for achieving strikes (assumed right-handed release). Sourcing for measurements: USBC Equipment Specifications and Certifications Manual. bowl.com (November 2022). Archived from the original on June 4, 2023. Freeman, James and Hatfield, Ron (Jul 15, 2018). "10: The Pocket Isn't the Pocket... and It's Nowhere Near Where You Think It Is". Bowling Beyond the Basics: What's Really Happening on the Lanes, and What You Can Do about It. Publisher: BowlSmart. Figs. 10.5 and 10.10. Suggested cite: <ref name=FreemanHatfield_Chap10>{{cite book \|last1=Freeman \|first1=James \|last2=Hatfield \|first2=Ron \|title=Bowling Beyond the Basics: What's Really Happening on the Lanes, and What You Can Do about It \|date=July 15, 2018 \|publisher=BowlSmart \|chapter=10: The Pocket Isn't the Pocket... and It's Nowhere Near Where You Think It Is}} (Figs. 10.5 and 10.10)</ref>
日期	2020年1月27日
来源	自己的作品
作者	RCraig09

20181230 Bowling ball at board 17.5 with pins.png — related to "top view" diagram
20200127 Bowling ball and pins for strike - front view.png
Bowling ball and pins for strike - front view.jpg (Jan. 2020) — measurements removed
2009 USBC tenpin bowling pin carry study - probability of strike.svg

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	日期/时间	大小	用户	备注
当前	2021年4月26日 (一) 04:14	2,968 × 1,815（246 KB）	RCraig09	Version 5: reduced file size at tinypng.com
	2020年6月17日 (三) 04:16	2,968 × 1,815（972 KB）	RCraig09	Version 4: Converted background to simple gray, to reduce file size.
	2020年1月28日 (二) 18:27	2,968 × 1,815（2.69 MB）	RCraig09	VERSION THREE: Replacing pins with sharper-edged images. Placing pins more exactly along horizontal axis.
	2020年1月28日 (二) 16:57	2,968 × 1,815（2.79 MB）	RCraig09	VERSION TWO: Enlarge text "17.5". Add color to background.
	2020年1月28日 (二) 04:58	2,968 × 1,815（2.3 MB）	RCraig09	User created page with UploadWizard