Since we are looking for IP packets, we can check for IP packets by looking at the Ethernet packet type.

Ethernet packet headers, including the Ethernet source and destination address, packet size and the Ethernet packet type.

Ethernet数据包头，包括Ethernet来源和目标地址，数据包大小和Ethernet数据包类型。

The FuTURE software mostly includes Ethernet packet handling, PPP protocol, MAC, and controlling/ monitoring tasks.

整个FuTURE资源管理软件的实现中，主要包括以太网分组处理、PPP协议、MAC以及控制/监控等任务。

Ethernet Packet Transmission Over OTN Control Plane

以太网报文在OTN控制平面的传送

The node can receive standard Ethernet packet and output corresponding current loop.

此节点可以接收标准以太网报文，转换成相应的电流输出。

Diethylstilbestrol ( DES), as an ideal medicine to study the function of environmental estrogenic hormone, is a kind of lipidic hormone with a long half-life, which easily accumulated itself in adipose tissues.

二乙基己烯雌酚（Diethylstilbestrol，DES）是一种合成雌激素，脂溶性，半衰期长，易在机体脂肪组织中聚集，是目前研究雌激素样环境内分泌干扰物作用机理的理想药物模型之一。

Research on Cost Estimating Method Based on Feature Mapping of Mechanical Products

基于特征映射的机械产品成本估算方法研究

Research on Strategy of Product Cost Estimating Design Method of Reducing Cost

产品成本估算策略及降低成本的设计方法研究

However, often because of the time restraints in design phase, the structures design alternatives, cost estimating and optimization are seldom considered in the structure engineering.

但是，由于设计阶段的时间限制，一般很少针对结构工程进行多方案的设计、成本估计和优化。

Accurate cost estimating plays an important part not only in structures design optimization but also in client's project decision and cost controlling.

准确的成本估计不仅在结构设计优化中起着重要作用，而且在业主的项目决策和投资控制中起着重要作用。

Based on the methods of location estimating and location parameter estimating, the development history of current and future challenges in wireless position location are reviewed and location estimating techniques for mitigating the influence of non-line-of-sight ( NLOS) propagation are discussed.

本文以定位算法与定位参数估计为主线，综述了蜂窝通信系统中移动台定位的发展过程、现状、取得的进展以及面临的挑战，特别是对减轻非视距传播影响的定位算法进行了详细讨论。

In chapter 2 the theory and technique of nonlinear parametric models are discussed in detail, including the estimating principles and techniques of nonlinear parametric models.

本文在第二章主要讨论了非线性模型参数估计的理论和方法，包括非线性模型参数的估计准则和解算方法。

Estimating approaches, techniques, models, and tools

评估的方法、技术、模型和工具

All estimating techniques can be grouped into one of three categories: experience-based, learning-oriented, and those based on algorithmic ( statistical or mathematical) models.

所有的评估技术可以分为以下三类：基于经验的模型、面向学习的模型和基于算法（统计或数学）的模型。

Popular estimating techniques and models

流行的评估技术和模型

After being esterified, fatty acid methyl esters were separated and determined by a 50m × 0.35mm i.d. glass capillary column coated with PEG 20M and FID detector.

脂肪甲酯化后，采用50m×0.35mmi.d.PEG－20M玻璃毛细管柱，FID检测器，并结合GCLMS进行了脂肪酸分析。

An esterification catalyst of ion-exchange resin on camphene and acetic acid

用离子交换树脂催化莰烯和醋酸的加成酯化反应

Study of Effective Acid Strength of Acetic Esterification Catalyst

乙酸酯化反应催化剂有效酸强度的研究

Tri-n-butyl citrate ( TBC) was synthesized with citric acid and n-butanol as raw materials and p-toluene sulfonic acid as esterification catalyst.

以柠檬酸和正丁醇为原料，对甲苯磺酸为酯化催化剂合成柠檬酸三丁酯（TBC）。

Application of Esterification Catalyst in PTA Alkyd Resin

酯化催化剂在PTA醇酸树脂中的应用

In this model, some measured process parameters have been used as input and the quality-indices such as degree of esterification, concentration of carboxyl end groups, saponification value, DEG content as output. Thus it can provide the operator with timely product information.

该模型以实测的工艺操作参数为输入，以酯化率、酸值、皂化值、二甘醇含量等质量指标为输出，为现场操作人员提供了快速及时的生产信息。