Interfixation distance is the metric that is often used to measure how readers space their fixations.

On the four sides of the box are autumnal plants — asters, patrinias, crawfudias, miscanthuses, eupatoriiuns, platycodons, and chrysanthemums, among which butterflies hover.

the use of multilength codes in data transmission

The Helong city government said a 55-year-old man surnamed Zhao, his 26-year-old daughter and another man aged 67 were killed Saturday. It said in a statement that police from the provincial to the local levels were investigating.[…] Calls to Helong city and Yanbian prefecture government spokesmen rang unanswered on Thursday.