查询词典 pull about

The gentle pull of an exoplanet as it orbits the host star introduces a tiny wobble in the star's motion — only about 7 km/hour,corresponding to brisk walking speed — that can just be detected on Earth with today's most sophisticated technology.

系外行星在轨道上对宿主恒星的引力是如此&温柔&，对其运动产生的扰动仅有7km/h——相当于我们快步走的速度，今天刚好能被地球上最尖端光谱仪探测到。

And the fields produced by gradient coils in a conventional MRI machine are not strong enough to pull on particles below about 250 micrometres in size, says Dr Martel, though an upgraded MRI system with more powerful coils could propel beads as small as 50 micrometres, he adds.

而在常规的MRI机器中由渐进的线圈生成的区域没有强大到可以吸引250微米以下大小的微粒，马特尔博士说，尽管拥有更强大的线圈的升级版MRI系统能够推动小到50微米的珠子。

My daughter is still a week for four months on the whole, it is exclusive breastfeeding, but the diarrhea has been going on for about two months, eating a lot of drugs are not improved, is still 4-5 times a day pull water samples will be asked paediatricians said that breast-fed a normal reaction, but children as early as the 40-day-old is one morning when a stool, I do not know how to do later became now such a situation can give her plus-assisted food?

宝宝还差一个星期就整四个月了，现在是纯母乳喂养，但已持续腹泻两个月左右，吃了很多药也不见好转，现仍每天拉4-5次水样便，问儿科医生说是吃母乳的正常反应，但孩子早在40天大的时候就是一天早上一次大便，不知怎么后来就成了这样，现这种情况能给她加辅助食物吗？

Hereon, Chapter Two expound some relevant theories about rural labour transfer in industrialization process, and focus on the theoretical mode of labour transfer in dual economic structure of developing country: Lewes dual economy theory, Ranis-Fei model, Jorgenson's model, M.P.Todalo's model, and"thrust-pull"theory.

其中：第二章阐述了工业化进程中农村劳动力转移的有关理论，重点阐述了发展中国家二元经济结构中劳动力转移的理论模式：即刘易斯二元经济理论、拉尼斯—费模式、乔根森模式、托达罗模式和&推—拉&理论。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。