The later strictly follows by the features of backup yard, takes fully consideration about arriving time factor which affects rate, adopts vague time strategy as the choice basis for output container.

而后者严格遵循后方堆场特点，充分考虑影响捣箱率的进场时间因素，采用模糊时间策略作为出场箱选择的依据。

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Arriving in the 1997 Christmas special, Thornton was brought in to play Truly of The Yard, a retired Metropolitan Police Officer, replacing original actor Brian Wilde when was struck down by shingles.

BBC: Are You Being Served? actor Frank Thornton dies aged 92