persistent是什么意思

双语用例

• The remaining two tests test the array data structures in simple ephemeral and partially persistent situations.

• Persistent psychological disturbance was related not so much to personal loss as to the degree of damage suffered by the community as a whole.

• Consequently, investigators have attempted to define more clearly the factors that may identify late talkers who will present with persistent difficulties later in life.

• Since the reference input does not satisfy the persistent excitation condition, all estimates do not converge to their actual values but remain bounded as desired.

• The right atrium was enlarged, and a large persistent venous valve was identified.

• A persistent pinkish noise sets in, along with throbbing echoes of the already echoed sounds, until the whole thing just cuts out at 1457.

• In the late 1990s, most actors favored aggressive monetary easing to address persistent deflation and slow growth.

• Only persons arrested at both age periods were defined as persistent criminals.