Final answer:
To verify that high-tech body swimsuits do not provide buoyancy, tests measuring their floatation in water, performance testing comparing swimmers' times, and material analyses could be used to ensure compliance with international standards.
Step-by-step explanation:
The rule regarding the non-buoyancy of high-tech body swimsuits introduced for the 2008 Beijing Olympics could be verified through a series of tests and regulations. One approach is to conduct controlled laboratory tests to measure the buoyancy of the swimsuits. This might involve submerging the suit in water and measuring the level of floatation it provides. Another method could be the use of performance testing, where swimmers' times and body positions are evaluated while wearing the suits in comparison to standard swimsuits. Additionally, the materials used in these suits can be analyzed to ensure they don't have inherent buoyancy properties. All of the findings would need to comply with the international standards set by swimming's governing bodies, such as the International Swimming Federation (FINA).