pits是什么意思

用法例句

The elytral surface of Chrysomela vigintipunctata and Chrysomela populi Linnaeus both have setae arising centrelly on the floor of pits in Chrysomelidae.

利用扫描电镜观察研究了 4种昆虫鞘翅的超微结构 ,结果显示其特征各有差异 :叶甲科的杨叶甲 (Chrgsomela populi Linnaeus)和柳二十斑叶甲 (Chuysomela vigintipunctsta Scopoli)鞘翅体表不被毛 ,具凹陷 ,有一细毛自凹陷中伸出 ;瓢虫科的菱斑食植瓢虫 (Epilachna insignis Gorham)和银莲花食植瓢虫 (Epilachna convexa Dieke)鞘翅体表被毛 ,凹陷中不着生细毛。

Graft Propagation of Cinnamomum tenuipilum and Mensuration of Linalool;

细毛芳樟嫁接繁殖及芳樟醇测定

Cinnamomum tenuipilum Kosterm is a kind of chemical types which rich in linalool.

细毛芳樟（CinnamomumtenuipilumKosterm）是种叶油富含芳樟醇（Linalool）的化学型，经本国栽培和鲜叶香气初步鉴别表明，芳樟醇型有性后代约有68％的植株，可保持亲本的特性。

The PCR-SSCP analysis about the candidate gene of the fineness of wool in the fine-wool sheep breeds of Xinjiang and Shaanbei;

新疆细毛羊和陕北细毛羊羊毛细度候选基因的PCR-SSCP分析

The Effects of Twinborn-medicament on the Lambing Rate of Fine-wool Sheep;

双胎素对细毛羊产羔率的影响

The breeding methods and productive capacity of seven kinds of Russian fine-wool sheep;

俄罗斯细毛羊毛肉兼用型品种的选育方法及生产性能

In present paper wool quality analysis of cross combinations of Poll Dorset and Suffolk with Small Tail Han Sheep and Merino was conducted.

本文通过对肉用羊品种陶赛特和萨福克改良小尾寒羊和细毛羊后的不同杂交组合的羊毛品质分析,其结果为:陶赛特公羊与小尾寒羊、细毛羊杂交后代的羊毛细度均为58's。