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1·Pulse Echo method (PEM) is a fast, economic and feasible method for Low-strain Dynamic Testing (LDT) of piles.

小应变反射波法是当前在工程桩基检测中应用的动测法之一。

2·The results show that the density, morphology and size of the L-ENK-containing neurons vary in DDT, VDT and LDT.

本研究的结果显示：DDT, VDT和LDT各核内含l - ENK神经元的分布密度，细胞形态和大小均有所不同。

3·Translation: all the drawings and technical translations, has part-time as Beijing Taiwei An Drying Equipment. LDT fot Translation.

天筑所有图纸和技术资料的翻译，曾兼职担任北京泰维安干燥设备公司翻译。

4·The laterodorsal tegmentum (LDT) neurons supply most of the cholinergic tone to the brainstem and diencephalon necessary for physiological arousal.

维持生理性觉醒，需要大脑脚被盖背侧核的神经元为脑干及间脑提供胆碱能递质。