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African countries are giving away vast tracts of farmland to other countries and investors almost for free, with the only benefits consisting of vague promises of jobs and infrastructure, according to a report published today.

今日公布的一份报告称，非洲国家正将大片农田几乎免费地出让给其它国家和投资者，而它们换来的只有一些含糊的就业机会和基础设施的承诺。

In the course of westbound I saw large tracts of deer and forest, that the United States and you, no experience can not be played is turned in the north, found a road, the road!

在西行的过程中，我看到了大片的鹿群和森林，那种美呀，没玩过是体会不到的，转身在向北，发现了路，路！

They also found that higher folate levels associated with fewer breakdowns of white matter tracts in the brain.

他们还发现，较高的叶酸水平与少故障脑白质大片在大脑中。

"Dozens of species of native wildlife, from white-tailed deer to 6-foot [183-centimeter] alligators to birds, have been found in the digestive tracts of Burmese pythons in Florida," said Reed, who is also working with the Florida museum's Krysko on the Florida python problem.

"从白尾鹿到6英尺（183厘米）长的短吻鳄再到小鸟，十几种的野生动物，缅甸巨蟒统统都吞食过。"同时也和弗洛里达博物馆的克里斯克共同合作研究巨蟒问题的里德说。

Within these thirdorder sequences, there are many subtidal carbonate cycles that are made up of both the mediumto thinbedded aphanitic micrites and the thinbedded marls in the transgressive and the early highstand system tracts, and many grotesque sedimentary structures are developed in the bedding planes of aphanitic micrites.

在这些三级层序的海侵体系域和早期高水位体系域中，中薄层隐晶质泥晶灰岩和灰黑色薄层泥灰岩组成若干潮下型米级旋回；而在隐晶质泥晶灰岩层面上，普遍发育各种奇形怪状的沉积构造。

Results Totally 347 pathogens were isolated from deep-part secretion of lower respiratory tracts of 302 VAP in general ICU. The main pathogens included Pseudomonas aeruginosa (32.3%), Acinetobacter baumanii (31.1%), Staphylococcus aurous (16.7%), Klebsiella (7.5%) and Coagulase-negative Staphylococci (6.1%).

结果 从302例综合ICU VAP患者下呼吸道深部分泌物标本中分离出347株病原菌，主要病原菌是铜绿假单胞菌(32.3%)、鲍曼不动杆菌(31.1%)、金黄色葡萄球菌(16.7%)、克雷伯菌(7.5%)与凝固酶阴性葡萄球菌(6.1%)。

My grandfather, Caspar Keller's son,"entered" large tracts of land in Alabama and finally settled there.

我的祖父，也就是卡斯帕·凯勒的儿子，自从他来到亚拉巴马州的这块大土地后，整个家族就在这里定居下来。

During the operation, two tracts of tendons soaked in gentamicin saline for 15 minutes were conduplicated, and one end of the tendon was cancellous bone screw and fixed to the tibia attachment point of posterior cruciate ligament, and the other end was introduced into the joint through retention suture.

术中将用庆大霉素盐水浸泡过15min的两束异体肌腱对折，肌腱的一端套入松质骨螺钉加垫片固定在后叉韧带的胫骨附着点处，另一端通过牵引线引入关节内，修复切开的后关节囊。

The target sites of tracts from the hypothalamus that mediate female and male copulatory behavior , respectively , are the periaqueductal gray and the lateral tegmental field.

在下视丘管道束的位置来自雌性和雄性性交行为分别为环脑导水管灰质和侧面的盖性范围。

By setting two ROI, the main spinal cord fiber tracts, such as corticospinal or spinothalamic tract, were visualized.

结果 在DTT彩色编码图上，正常脊髓纤维束为头尾向的一束，显示了头尾侧的各向异性。

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。