| 1. | Under natural conditions, the incubation period in feedlot cattle is uncertain in length .
在自然条件下，肥育舍饲牛的潜伏期，还没有确定。 |
| 2. | These pigs had acquired lungworm infestations presumably containing masked influenza virus under natural conditions .
这些猪在自然条件下已受到含有隐蔽流感病毒的肺丝虫寄生。 |
| 3. | Several species of mammals and birds are susceptible to the disease in nature or through experimental exposure .
几种哺乳动物和禽类在自然条件下或通过实验性裸露对此病是易感的。 |
| 4. | Calcium carbonate is one of the most abundant biomaterials , and as such , has received considerable interest from many branches of science
这种在自然条件下形成的复合物是在一般实验条件下所不能合成的。 |
| 5. | Note : ck means that the statistic data was gained under the natural condition without manual pollination . the same below
注:对照（ ck ）坐果率为不经人工授粉、在自然条件下即开放授粉系统中所统计的坐果率。下同。 |
| 6. | Fruity and copper - colored , this belgian beer is brewed with top - fermenting yeasts , naturally conditioned in wooden casks and cork - finished
这款果味的铜色比利时啤酒采用上发酵母，在自然条件下木桶储存，用木塞封装。 |
| 7. | To compare the drought and cold resistance of various cool - season grasses in beijing , five different cultivars were treated with drought in summer and natural cold in winter
摘要对冷季型草坪草种在夏季进行缺水处理，在冬季在自然条件下，比较其耐旱及耐寒性。 |
| 8. | Result competence can be induced in vitro and the expressing level of three virulence , lyta , nana , hyl , are higher in wild type than in the come mutant
另外还作了comc的表达测定，从基因水平确定感受态的发生。结果s pn在自然条件下转化时，培养后吸光度到0 |
| 9. | Genetic engineering ge involves exchanging genes between unrelated species that cannot naturally exchange genes with each other ge can involve the exchange of genes between vastly different species
基因工程是在彼此毫无关系的物种之间，相互交换在自然条件下无法交换的基因。 |
| 10. | Under natural conditions , the clonal growing rhizomes of l . sagitta and l . virgaurea were suppressed due to interspecific competitions on the grassland , therefore the reproduction of the two plants mainly dependen on seeds
箭叶橐吾和黄帚橐吾，在自然条件下，其克隆生长的根状茎，受到了草场其它生物的竞争而被抑制，主要进行有性生殖。 |
