umbral (n)

Schwelle (Tür) (f)

sill (n)

threshold (n)

Failure thus occurs before reaching the threshold stress for failure based on a static load.

Dynamic failure occurs before reaching the threshold stress for failure resulting from a static load.

Consequently, dynamic failure occurs before reaching the threshold stress for failure resulting from a static load.

窗台 (n)

门槛 (n)