Purpose: If the leather use for the sofa have a good flex resistance properties, the product will have little chance to become winkle, and the product will be more durable and more comfortable.

用于沙发上的皮革如果有良好的抗弯折的特性， 生产出来的沙发便不容易起皱接， 沙发会更美观耐用。

youdao

Excellent flex fatigue resistance - excellent UV resistance the excellent definition of the sections with of the Extrudes thin.

优良的电线使抵抗疲劳-优良的紫外线抵抗用优良的定义挤出瘦的区段。

youdao

The supplied paddle is made of beryllium copper and superior to stainless steel in the area of flex memory, tensile strength and corrosion resistance.

所提供的开关叶片采用铍铜合金制造，铍铜合金在弯曲记忆区域、抗张强度和耐腐蚀等指标均优于不锈钢。

youdao

Despite this H20 resistance, the Flex won't track your butterfly strokes (or doggie paddles), but it will keep count of your steps, calories burned, sleep and distance walked.

ENGADGET

Strength training can involve a number of approaches including using free weights, such as dumbbells or barbells, resistance or elastic bands that allow you to flex using your arms and legs, as well as ankle weights or vests and other special exercises that use your body weight to simulate resistance against gravity.

FORBES: Why Strength Training May Help You Live Longer