Dennis GJ, Barrett RS (2003) Spinal loads during two- person team lifting effect of matched versus unmatched standing height. Int J Ind Ergon 32, 25-38.Dennis GJ, Barrett RS. Spinal loads during two-person team lifting: effect of matched versus unmatched standing height. Int J Ind Ergon....
Two-person lifting teams were required to lift a box containing a mass of 30 or 60 kg from the floor to standing knuckle height. Adjusting the position of the centre of mass within the box by ±15 and ±7.5 cm relative to the evenly distributed position (0 cm) yielded three LMD ratios...
person -- 通常表达：（独立的，个体的）一个人 复数形式：persons -- 通常会用在一些正式的场合，或者是官方的场合；（比如一些正式的官方通告，书面文件，法律文件……）This lift can hold a maximum of 15 persons. 这部电梯最多可容纳15个人。maximum -- adj. 最大限度的，最大的，最多的 ...
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aHEAVY UNIT IT IS ADVISABLE THAT TWO PEOPLE ARE USED TO LIFT THE UIT WHEN REMOVING FROM THE INSTSUMENT 重的单位它是适当的二个人用于举UIT,当去除从INSTSUMENT时[translate]
The ski lift carrier has two transverse arms (3, 4) each of which has one longitudinal arm (2, 5), one equalizing arm (6, 7) and one device (8, 9) to transfer the traction force from the attachment cable (1) to the equalizing arms. The two longitudinal arms run parallel to each...
person 比 people 更书面、更正式,比如一部电梯的说明说里,可以有这样的介绍: This lift can hold a maximum of 15 persons. 这部电梯最高容纳15人。 由此可见,people 比 persons 表达的复数相对更偏口语。 另外还有几个原则注意: Persons 指可以明确...
person 比 people 更书面、更正式,比如一部电梯的说明说里,可以有这样的介绍: This lift can hold a maximum of 15 persons. 这不电梯最高容纳15人。 由此可见,people 比 persons 表达的复数相对更偏口语。 另外还有几个原则注意: Persons 指可以明确可数的一群人,比如: There are three persons in the room...
If two people lift and carry an object, they not only produce complementary forces on the object but also walk in synchrony. Previous studies have not exam... J Masumoto,N Inui - 《Journal of Neurophysiology》 被引量: 53发表: 2013年 Confidence in Individual and Group Decision Making: When...
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