They prey on other invertebrates, which they capture with a unique proboscis.它们用独特的吻捕食其它无脊椎动物.an excretory organ of certain invertebrates.某些无脊椎动物的排泄器官Insects and worms are all invertebrates.昆虫和蠕虫都是无脊椎动物。In the earthworm ...
Insects and worms are all invertebrates.昆虫和蠕虫都是无脊椎动物。In the earthworm and many other invertebrates, these excretory structures are called nephridia.在蚯蚓和许多其它无脊椎动物中, 这些排泄结构称为肾管.But regulators with spine are still better th...
He took the paraffin stove on a picnic and the ruddy thing wouldn't work.他带了那个煤油炉去野餐，但是那个该死的东西根本用不了。Methods Paraffin method, semi - thin sectioning, and histochemical method were used.方法石蜡切片法 、 半薄切片法 、 组织化学法.Anatomi...
The budgetary and the negotiating cycles were simply out of phase.预算的周期同谈判的周期简直不协调.The overall budgetary management is the core of the control and evaluation.全面预算管理就是控制和评估的核心.Increasingly, analysis of a building's l...
All this equipment has received international acclaim from the specialist hi-fi press.这套设备受到全球高保真音响专业报刊的赞誉。Hi! How are you doing?嗨！你近来怎么样？Hi, guys. How are you doing?嗨，伙计们，大家还好吧？...
Primarily using the Lonworks technology of Echelon corp. and WEB technology of ASP, XML, SQL and.主要采用的是Echelon公司的LONWORKS技术 和ASP 、 XML 、 SQL、.NET等WEB技术.Extensions of n - echelon catenarian supply chain pricing model.链状n级...